Home / 23,311.52-34,967.28-8,521.12

Finding the Fourth Proportional to 23,311.52, 34,967.28 and 8,521.12

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Solution

The fourth proportional to 23,311.52, 34,967.28 and 8,521.12 is: 12,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.52 : 34,967.28 = 8,521.12 : x
  2. Step 2: Convert to fraction form
    23,311.52/34,967.28 = 8,521.12/x
  3. Step 3: Cross multiply
    23,311.52x = 34,967.28 × 8,521.12
  4. Step 4: Simplify right side
    23,311.52x = 297,960,388.95
  5. Step 5: Solve for x
    x = 297,960,388.95/23,311.52
  6. Step 6: Final answer
    x = 12,781.68

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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.