Home / 38,013.12-57,029.40-15,819.12

Finding the Fourth Proportional to 38,013.12, 57,029.40 and 15,819.12

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Solution

The fourth proportional to 38,013.12, 57,029.40 and 15,819.12 is: 23,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.12 : 57,029.40 = 15,819.12 : x
  2. Step 2: Convert to fraction form
    38,013.12/57,029.40 = 15,819.12/x
  3. Step 3: Cross multiply
    38,013.12x = 57,029.40 × 15,819.12
  4. Step 4: Simplify right side
    38,013.12x = 902,154,922.13
  5. Step 5: Solve for x
    x = 902,154,922.13/38,013.12
  6. Step 6: Final answer
    x = 23,732.72

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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.