Home / 42,713.28-64,100.16-15,013.44

Finding the Fourth Proportional to 42,713.28, 64,100.16 and 15,013.44

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Solution

The fourth proportional to 42,713.28, 64,100.16 and 15,013.44 is: 22,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,713.28 : 64,100.16 = 15,013.44 : x
  2. Step 2: Convert to fraction form
    42,713.28/64,100.16 = 15,013.44/x
  3. Step 3: Cross multiply
    42,713.28x = 64,100.16 × 15,013.44
  4. Step 4: Simplify right side
    42,713.28x = 962,363,906.15
  5. Step 5: Solve for x
    x = 962,363,906.15/42,713.28
  6. Step 6: Final answer
    x = 22,530.79

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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.