Home / 25,728.71-38,657.66-16,372.80

Finding the Fourth Proportional to 25,728.71, 38,657.66 and 16,372.80

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Solution

The fourth proportional to 25,728.71, 38,657.66 and 16,372.80 is: 24,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.71 : 38,657.66 = 16,372.80 : x
  2. Step 2: Convert to fraction form
    25,728.71/38,657.66 = 16,372.80/x
  3. Step 3: Cross multiply
    25,728.71x = 38,657.66 × 16,372.80
  4. Step 4: Simplify right side
    25,728.71x = 632,934,053.78
  5. Step 5: Solve for x
    x = 632,934,053.78/25,728.71
  6. Step 6: Final answer
    x = 24,600.31

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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.