Home / 21,881.54-32,839.50-15,264.65

Finding the Fourth Proportional to 21,881.54, 32,839.50 and 15,264.65

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Solution

The fourth proportional to 21,881.54, 32,839.50 and 15,264.65 is: 22,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881.54 : 32,839.50 = 15,264.65 : x
  2. Step 2: Convert to fraction form
    21,881.54/32,839.50 = 15,264.65/x
  3. Step 3: Cross multiply
    21,881.54x = 32,839.50 × 15,264.65
  4. Step 4: Simplify right side
    21,881.54x = 501,283,473.68
  5. Step 5: Solve for x
    x = 501,283,473.68/21,881.54
  6. Step 6: Final answer
    x = 22,908.97

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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.