Home / 25,789.40-38,686.12-10,998.42

Finding the Fourth Proportional to 25,789.40, 38,686.12 and 10,998.42

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Solution

The fourth proportional to 25,789.40, 38,686.12 and 10,998.42 is: 16,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.40 : 38,686.12 = 10,998.42 : x
  2. Step 2: Convert to fraction form
    25,789.40/38,686.12 = 10,998.42/x
  3. Step 3: Cross multiply
    25,789.40x = 38,686.12 × 10,998.42
  4. Step 4: Simplify right side
    25,789.40x = 425,486,195.93
  5. Step 5: Solve for x
    x = 425,486,195.93/25,789.40
  6. Step 6: Final answer
    x = 16,498.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.