Home / 27,138.16-40,713.60-8,417.24

Finding the Fourth Proportional to 27,138.16, 40,713.60 and 8,417.24

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Solution

The fourth proportional to 27,138.16, 40,713.60 and 8,417.24 is: 12,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.16 : 40,713.60 = 8,417.24 : x
  2. Step 2: Convert to fraction form
    27,138.16/40,713.60 = 8,417.24/x
  3. Step 3: Cross multiply
    27,138.16x = 40,713.60 × 8,417.24
  4. Step 4: Simplify right side
    27,138.16x = 342,696,142.46
  5. Step 5: Solve for x
    x = 342,696,142.46/27,138.16
  6. Step 6: Final answer
    x = 12,627.83

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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.