Home / 21,549.67-29,757.24-15,894.23

Finding the Fourth Proportional to 21,549.67, 29,757.24 and 15,894.23

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Solution

The fourth proportional to 21,549.67, 29,757.24 and 15,894.23 is: 21,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,549.67 : 29,757.24 = 15,894.23 : x
  2. Step 2: Convert to fraction form
    21,549.67/29,757.24 = 15,894.23/x
  3. Step 3: Cross multiply
    21,549.67x = 29,757.24 × 15,894.23
  4. Step 4: Simplify right side
    21,549.67x = 472,968,267.94
  5. Step 5: Solve for x
    x = 472,968,267.94/21,549.67
  6. Step 6: Final answer
    x = 21,947.82

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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.