Home / 25,579.42-38,344.52-13,105.34

Finding the Fourth Proportional to 25,579.42, 38,344.52 and 13,105.34

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Solution

The fourth proportional to 25,579.42, 38,344.52 and 13,105.34 is: 19,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,579.42 : 38,344.52 = 13,105.34 : x
  2. Step 2: Convert to fraction form
    25,579.42/38,344.52 = 13,105.34/x
  3. Step 3: Cross multiply
    25,579.42x = 38,344.52 × 13,105.34
  4. Step 4: Simplify right side
    25,579.42x = 502,517,971.74
  5. Step 5: Solve for x
    x = 502,517,971.74/25,579.42
  6. Step 6: Final answer
    x = 19,645.40

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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.