Home / 15,508.40-23,311.20-15,216.80

Finding the Fourth Proportional to 15,508.40, 23,311.20 and 15,216.80

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Solution

The fourth proportional to 15,508.40, 23,311.20 and 15,216.80 is: 22,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508.40 : 23,311.20 = 15,216.80 : x
  2. Step 2: Convert to fraction form
    15,508.40/23,311.20 = 15,216.80/x
  3. Step 3: Cross multiply
    15,508.40x = 23,311.20 × 15,216.80
  4. Step 4: Simplify right side
    15,508.40x = 354,721,868.16
  5. Step 5: Solve for x
    x = 354,721,868.16/15,508.40
  6. Step 6: Final answer
    x = 22,872.89

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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.