Home / 38,141.28-57,212.08-13,500

Finding the Fourth Proportional to 38,141.28, 57,212.08 and 13,500

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Solution

The fourth proportional to 38,141.28, 57,212.08 and 13,500 is: 20,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141.28 : 57,212.08 = 13,500 : x
  2. Step 2: Convert to fraction form
    38,141.28/57,212.08 = 13,500/x
  3. Step 3: Cross multiply
    38,141.28x = 57,212.08 × 13,500
  4. Step 4: Simplify right side
    38,141.28x = 772,363,080
  5. Step 5: Solve for x
    x = 772,363,080/38,141.28
  6. Step 6: Final answer
    x = 20,250.06

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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.