Home / 21,981.97-32,972.50-5,342.10

Finding the Fourth Proportional to 21,981.97, 32,972.50 and 5,342.10

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Solution

The fourth proportional to 21,981.97, 32,972.50 and 5,342.10 is: 8,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,981.97 : 32,972.50 = 5,342.10 : x
  2. Step 2: Convert to fraction form
    21,981.97/32,972.50 = 5,342.10/x
  3. Step 3: Cross multiply
    21,981.97x = 32,972.50 × 5,342.10
  4. Step 4: Simplify right side
    21,981.97x = 176,142,392.25
  5. Step 5: Solve for x
    x = 176,142,392.25/21,981.97
  6. Step 6: Final answer
    x = 8,013.04

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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.