Home / 42,156.20-63,234.30-15,866.84

Finding the Fourth Proportional to 42,156.20, 63,234.30 and 15,866.84

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Solution

The fourth proportional to 42,156.20, 63,234.30 and 15,866.84 is: 23,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,156.20 : 63,234.30 = 15,866.84 : x
  2. Step 2: Convert to fraction form
    42,156.20/63,234.30 = 15,866.84/x
  3. Step 3: Cross multiply
    42,156.20x = 63,234.30 × 15,866.84
  4. Step 4: Simplify right side
    42,156.20x = 1,003,328,520.61
  5. Step 5: Solve for x
    x = 1,003,328,520.61/42,156.20
  6. Step 6: Final answer
    x = 23,800.26

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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.