Home / 21,655.92-29,876.12-14,570.04

Finding the Fourth Proportional to 21,655.92, 29,876.12 and 14,570.04

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Solution

The fourth proportional to 21,655.92, 29,876.12 and 14,570.04 is: 20,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.92 : 29,876.12 = 14,570.04 : x
  2. Step 2: Convert to fraction form
    21,655.92/29,876.12 = 14,570.04/x
  3. Step 3: Cross multiply
    21,655.92x = 29,876.12 × 14,570.04
  4. Step 4: Simplify right side
    21,655.92x = 435,296,263.44
  5. Step 5: Solve for x
    x = 435,296,263.44/21,655.92
  6. Step 6: Final answer
    x = 20,100.57

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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.