Home / 26,480.78-36,543.68-15,149.57

Finding the Fourth Proportional to 26,480.78, 36,543.68 and 15,149.57

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Solution

The fourth proportional to 26,480.78, 36,543.68 and 15,149.57 is: 20,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.78 : 36,543.68 = 15,149.57 : x
  2. Step 2: Convert to fraction form
    26,480.78/36,543.68 = 15,149.57/x
  3. Step 3: Cross multiply
    26,480.78x = 36,543.68 × 15,149.57
  4. Step 4: Simplify right side
    26,480.78x = 553,620,779.75
  5. Step 5: Solve for x
    x = 553,620,779.75/26,480.78
  6. Step 6: Final answer
    x = 20,906.52

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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.