Home / 21,617.52-32,355.81-11,732.28

Finding the Fourth Proportional to 21,617.52, 32,355.81 and 11,732.28

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Solution

The fourth proportional to 21,617.52, 32,355.81 and 11,732.28 is: 17,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.52 : 32,355.81 = 11,732.28 : x
  2. Step 2: Convert to fraction form
    21,617.52/32,355.81 = 11,732.28/x
  3. Step 3: Cross multiply
    21,617.52x = 32,355.81 × 11,732.28
  4. Step 4: Simplify right side
    21,617.52x = 379,607,422.55
  5. Step 5: Solve for x
    x = 379,607,422.55/21,617.52
  6. Step 6: Final answer
    x = 17,560.17

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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.