Home / 22,752.20-34,128.30-7,956.20

Finding the Fourth Proportional to 22,752.20, 34,128.30 and 7,956.20

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Solution

The fourth proportional to 22,752.20, 34,128.30 and 7,956.20 is: 11,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.20 : 34,128.30 = 7,956.20 : x
  2. Step 2: Convert to fraction form
    22,752.20/34,128.30 = 7,956.20/x
  3. Step 3: Cross multiply
    22,752.20x = 34,128.30 × 7,956.20
  4. Step 4: Simplify right side
    22,752.20x = 271,531,580.46
  5. Step 5: Solve for x
    x = 271,531,580.46/22,752.20
  6. Step 6: Final answer
    x = 11,934.30

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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.