Home / 19,972.17-27,541.89-15,494.28

Finding the Fourth Proportional to 19,972.17, 27,541.89 and 15,494.28

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Solution

The fourth proportional to 19,972.17, 27,541.89 and 15,494.28 is: 21,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.17 : 27,541.89 = 15,494.28 : x
  2. Step 2: Convert to fraction form
    19,972.17/27,541.89 = 15,494.28/x
  3. Step 3: Cross multiply
    19,972.17x = 27,541.89 × 15,494.28
  4. Step 4: Simplify right side
    19,972.17x = 426,741,755.39
  5. Step 5: Solve for x
    x = 426,741,755.39/19,972.17
  6. Step 6: Final answer
    x = 21,366.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.