Home / 38,434.60-57,666.30-15,077.80

Finding the Fourth Proportional to 38,434.60, 57,666.30 and 15,077.80

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Solution

The fourth proportional to 38,434.60, 57,666.30 and 15,077.80 is: 22,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434.60 : 57,666.30 = 15,077.80 : x
  2. Step 2: Convert to fraction form
    38,434.60/57,666.30 = 15,077.80/x
  3. Step 3: Cross multiply
    38,434.60x = 57,666.30 × 15,077.80
  4. Step 4: Simplify right side
    38,434.60x = 869,480,938.14
  5. Step 5: Solve for x
    x = 869,480,938.14/38,434.60
  6. Step 6: Final answer
    x = 22,622.35

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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.