Home / 38,815.92-58,238.64-15,458.76

Finding the Fourth Proportional to 38,815.92, 58,238.64 and 15,458.76

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Solution

The fourth proportional to 38,815.92, 58,238.64 and 15,458.76 is: 23,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.92 : 58,238.64 = 15,458.76 : x
  2. Step 2: Convert to fraction form
    38,815.92/58,238.64 = 15,458.76/x
  3. Step 3: Cross multiply
    38,815.92x = 58,238.64 × 15,458.76
  4. Step 4: Simplify right side
    38,815.92x = 900,297,158.49
  5. Step 5: Solve for x
    x = 900,297,158.49/38,815.92
  6. Step 6: Final answer
    x = 23,194.02

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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.