Home / 25,453.38-38,167.02-13,451.98

Finding the Fourth Proportional to 25,453.38, 38,167.02 and 13,451.98

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Solution

The fourth proportional to 25,453.38, 38,167.02 and 13,451.98 is: 20,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.38 : 38,167.02 = 13,451.98 : x
  2. Step 2: Convert to fraction form
    25,453.38/38,167.02 = 13,451.98/x
  3. Step 3: Cross multiply
    25,453.38x = 38,167.02 × 13,451.98
  4. Step 4: Simplify right side
    25,453.38x = 513,421,989.70
  5. Step 5: Solve for x
    x = 513,421,989.70/25,453.38
  6. Step 6: Final answer
    x = 20,171.07

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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.