Home / 25,457.90-38,177.12-13,764.74

Finding the Fourth Proportional to 25,457.90, 38,177.12 and 13,764.74

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Solution

The fourth proportional to 25,457.90, 38,177.12 and 13,764.74 is: 20,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.90 : 38,177.12 = 13,764.74 : x
  2. Step 2: Convert to fraction form
    25,457.90/38,177.12 = 13,764.74/x
  3. Step 3: Cross multiply
    25,457.90x = 38,177.12 × 13,764.74
  4. Step 4: Simplify right side
    25,457.90x = 525,497,974.28
  5. Step 5: Solve for x
    x = 525,497,974.28/25,457.90
  6. Step 6: Final answer
    x = 20,641.85

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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.