Home / 27,258.57-40,887.85-8,538.76

Finding the Fourth Proportional to 27,258.57, 40,887.85 and 8,538.76

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Solution

The fourth proportional to 27,258.57, 40,887.85 and 8,538.76 is: 12,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,258.57 : 40,887.85 = 8,538.76 : x
  2. Step 2: Convert to fraction form
    27,258.57/40,887.85 = 8,538.76/x
  3. Step 3: Cross multiply
    27,258.57x = 40,887.85 × 8,538.76
  4. Step 4: Simplify right side
    27,258.57x = 349,131,538.07
  5. Step 5: Solve for x
    x = 349,131,538.07/27,258.57
  6. Step 6: Final answer
    x = 12,808.14

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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.