Home / 25,744.60-38,641.20-15,903.10

Finding the Fourth Proportional to 25,744.60, 38,641.20 and 15,903.10

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Solution

The fourth proportional to 25,744.60, 38,641.20 and 15,903.10 is: 23,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,744.60 : 38,641.20 = 15,903.10 : x
  2. Step 2: Convert to fraction form
    25,744.60/38,641.20 = 15,903.10/x
  3. Step 3: Cross multiply
    25,744.60x = 38,641.20 × 15,903.10
  4. Step 4: Simplify right side
    25,744.60x = 614,514,867.72
  5. Step 5: Solve for x
    x = 614,514,867.72/25,744.60
  6. Step 6: Final answer
    x = 23,869.66

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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.