Home / 28,097.18-38,776.58-15,524.36

Finding the Fourth Proportional to 28,097.18, 38,776.58 and 15,524.36

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Solution

The fourth proportional to 28,097.18, 38,776.58 and 15,524.36 is: 21,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.18 : 38,776.58 = 15,524.36 : x
  2. Step 2: Convert to fraction form
    28,097.18/38,776.58 = 15,524.36/x
  3. Step 3: Cross multiply
    28,097.18x = 38,776.58 × 15,524.36
  4. Step 4: Simplify right side
    28,097.18x = 601,981,587.49
  5. Step 5: Solve for x
    x = 601,981,587.49/28,097.18
  6. Step 6: Final answer
    x = 21,424.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.