Home / 21,489.26-29,655.69-12,058.52

Finding the Fourth Proportional to 21,489.26, 29,655.69 and 12,058.52

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Solution

The fourth proportional to 21,489.26, 29,655.69 and 12,058.52 is: 16,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489.26 : 29,655.69 = 12,058.52 : x
  2. Step 2: Convert to fraction form
    21,489.26/29,655.69 = 12,058.52/x
  3. Step 3: Cross multiply
    21,489.26x = 29,655.69 × 12,058.52
  4. Step 4: Simplify right side
    21,489.26x = 357,603,730.98
  5. Step 5: Solve for x
    x = 357,603,730.98/21,489.26
  6. Step 6: Final answer
    x = 16,641.04

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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.