Home / 27,258.38-40,887.57-8,538.57

Finding the Fourth Proportional to 27,258.38, 40,887.57 and 8,538.57

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Solution

The fourth proportional to 27,258.38, 40,887.57 and 8,538.57 is: 12,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,258.38 : 40,887.57 = 8,538.57 : x
  2. Step 2: Convert to fraction form
    27,258.38/40,887.57 = 8,538.57/x
  3. Step 3: Cross multiply
    27,258.38x = 40,887.57 × 8,538.57
  4. Step 4: Simplify right side
    27,258.38x = 349,121,335.88
  5. Step 5: Solve for x
    x = 349,121,335.88/27,258.38
  6. Step 6: Final answer
    x = 12,807.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.