Home / 42,198.28-63,312.04-15,910.56

Finding the Fourth Proportional to 42,198.28, 63,312.04 and 15,910.56

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Solution

The fourth proportional to 42,198.28, 63,312.04 and 15,910.56 is: 23,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.28 : 63,312.04 = 15,910.56 : x
  2. Step 2: Convert to fraction form
    42,198.28/63,312.04 = 15,910.56/x
  3. Step 3: Cross multiply
    42,198.28x = 63,312.04 × 15,910.56
  4. Step 4: Simplify right side
    42,198.28x = 1,007,330,011.14
  5. Step 5: Solve for x
    x = 1,007,330,011.14/42,198.28
  6. Step 6: Final answer
    x = 23,871.35

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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.