Home / 26,414.28-36,454.71-15,085.40

Finding the Fourth Proportional to 26,414.28, 36,454.71 and 15,085.40

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Solution

The fourth proportional to 26,414.28, 36,454.71 and 15,085.40 is: 20,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.28 : 36,454.71 = 15,085.40 : x
  2. Step 2: Convert to fraction form
    26,414.28/36,454.71 = 15,085.40/x
  3. Step 3: Cross multiply
    26,414.28x = 36,454.71 × 15,085.40
  4. Step 4: Simplify right side
    26,414.28x = 549,933,699.96
  5. Step 5: Solve for x
    x = 549,933,699.96/26,414.28
  6. Step 6: Final answer
    x = 20,819.56

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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.