Home / 38,458.48-57,684.99-10,380.13

Finding the Fourth Proportional to 38,458.48, 57,684.99 and 10,380.13

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Solution

The fourth proportional to 38,458.48, 57,684.99 and 10,380.13 is: 15,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.48 : 57,684.99 = 10,380.13 : x
  2. Step 2: Convert to fraction form
    38,458.48/57,684.99 = 10,380.13/x
  3. Step 3: Cross multiply
    38,458.48x = 57,684.99 × 10,380.13
  4. Step 4: Simplify right side
    38,458.48x = 598,777,728.43
  5. Step 5: Solve for x
    x = 598,777,728.43/38,458.48
  6. Step 6: Final answer
    x = 15,569.46

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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.