Home / 38,495.28-57,768.90-13,535.47

Finding the Fourth Proportional to 38,495.28, 57,768.90 and 13,535.47

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Solution

The fourth proportional to 38,495.28, 57,768.90 and 13,535.47 is: 20,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.28 : 57,768.90 = 13,535.47 : x
  2. Step 2: Convert to fraction form
    38,495.28/57,768.90 = 13,535.47/x
  3. Step 3: Cross multiply
    38,495.28x = 57,768.90 × 13,535.47
  4. Step 4: Simplify right side
    38,495.28x = 781,929,234.34
  5. Step 5: Solve for x
    x = 781,929,234.34/38,495.28
  6. Step 6: Final answer
    x = 20,312.34

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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.