Home / 25,287.12-37,934.28-13,437.80

Finding the Fourth Proportional to 25,287.12, 37,934.28 and 13,437.80

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Solution

The fourth proportional to 25,287.12, 37,934.28 and 13,437.80 is: 20,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.12 : 37,934.28 = 13,437.80 : x
  2. Step 2: Convert to fraction form
    25,287.12/37,934.28 = 13,437.80/x
  3. Step 3: Cross multiply
    25,287.12x = 37,934.28 × 13,437.80
  4. Step 4: Simplify right side
    25,287.12x = 509,753,267.78
  5. Step 5: Solve for x
    x = 509,753,267.78/25,287.12
  6. Step 6: Final answer
    x = 20,158.61

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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.