Home / 20,577.88-28,397.60-11,626.21

Finding the Fourth Proportional to 20,577.88, 28,397.60 and 11,626.21

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Solution

The fourth proportional to 20,577.88, 28,397.60 and 11,626.21 is: 16,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.88 : 28,397.60 = 11,626.21 : x
  2. Step 2: Convert to fraction form
    20,577.88/28,397.60 = 11,626.21/x
  3. Step 3: Cross multiply
    20,577.88x = 28,397.60 × 11,626.21
  4. Step 4: Simplify right side
    20,577.88x = 330,156,461.10
  5. Step 5: Solve for x
    x = 330,156,461.10/20,577.88
  6. Step 6: Final answer
    x = 16,044.24

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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.