Home / 21,264.98-29,386.13-15,950.57

Finding the Fourth Proportional to 21,264.98, 29,386.13 and 15,950.57

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Solution

The fourth proportional to 21,264.98, 29,386.13 and 15,950.57 is: 22,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,264.98 : 29,386.13 = 15,950.57 : x
  2. Step 2: Convert to fraction form
    21,264.98/29,386.13 = 15,950.57/x
  3. Step 3: Cross multiply
    21,264.98x = 29,386.13 × 15,950.57
  4. Step 4: Simplify right side
    21,264.98x = 468,725,296.91
  5. Step 5: Solve for x
    x = 468,725,296.91/21,264.98
  6. Step 6: Final answer
    x = 22,042.13

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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.