Home / 25,255.46-37,828.92-20,490.24

Finding the Fourth Proportional to 25,255.46, 37,828.92 and 20,490.24

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Solution

The fourth proportional to 25,255.46, 37,828.92 and 20,490.24 is: 30,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.46 : 37,828.92 = 20,490.24 : x
  2. Step 2: Convert to fraction form
    25,255.46/37,828.92 = 20,490.24/x
  3. Step 3: Cross multiply
    25,255.46x = 37,828.92 × 20,490.24
  4. Step 4: Simplify right side
    25,255.46x = 775,123,649.74
  5. Step 5: Solve for x
    x = 775,123,649.74/25,255.46
  6. Step 6: Final answer
    x = 30,691.33

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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.