Home / 27,120.32-40,683.15-9,348.64

Finding the Fourth Proportional to 27,120.32, 40,683.15 and 9,348.64

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Solution

The fourth proportional to 27,120.32, 40,683.15 and 9,348.64 is: 14,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,120.32 : 40,683.15 = 9,348.64 : x
  2. Step 2: Convert to fraction form
    27,120.32/40,683.15 = 9,348.64/x
  3. Step 3: Cross multiply
    27,120.32x = 40,683.15 × 9,348.64
  4. Step 4: Simplify right side
    27,120.32x = 380,332,070.80
  5. Step 5: Solve for x
    x = 380,332,070.80/27,120.32
  6. Step 6: Final answer
    x = 14,023.88

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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.