Home / 26,414.78-36,455.40-15,085.90

Finding the Fourth Proportional to 26,414.78, 36,455.40 and 15,085.90

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Solution

The fourth proportional to 26,414.78, 36,455.40 and 15,085.90 is: 20,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,414.78 : 36,455.40 = 15,085.90 : x
  2. Step 2: Convert to fraction form
    26,414.78/36,455.40 = 15,085.90/x
  3. Step 3: Cross multiply
    26,414.78x = 36,455.40 × 15,085.90
  4. Step 4: Simplify right side
    26,414.78x = 549,962,336.58
  5. Step 5: Solve for x
    x = 549,962,336.58/26,414.78
  6. Step 6: Final answer
    x = 20,820.25

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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.