Home / 16,490.20-24,764.10-15,971.80

Finding the Fourth Proportional to 16,490.20, 24,764.10 and 15,971.80

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Solution

The fourth proportional to 16,490.20, 24,764.10 and 15,971.80 is: 23,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.20 : 24,764.10 = 15,971.80 : x
  2. Step 2: Convert to fraction form
    16,490.20/24,764.10 = 15,971.80/x
  3. Step 3: Cross multiply
    16,490.20x = 24,764.10 × 15,971.80
  4. Step 4: Simplify right side
    16,490.20x = 395,527,252.38
  5. Step 5: Solve for x
    x = 395,527,252.38/16,490.20
  6. Step 6: Final answer
    x = 23,985.59

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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.