Home / 22,428.28-30,932.85-19,733.68

Finding the Fourth Proportional to 22,428.28, 30,932.85 and 19,733.68

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Solution

The fourth proportional to 22,428.28, 30,932.85 and 19,733.68 is: 27,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.28 : 30,932.85 = 19,733.68 : x
  2. Step 2: Convert to fraction form
    22,428.28/30,932.85 = 19,733.68/x
  3. Step 3: Cross multiply
    22,428.28x = 30,932.85 × 19,733.68
  4. Step 4: Simplify right side
    22,428.28x = 610,418,963.39
  5. Step 5: Solve for x
    x = 610,418,963.39/22,428.28
  6. Step 6: Final answer
    x = 27,216.49

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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.