Home / 27,104.28-40,660.29-8,385.91

Finding the Fourth Proportional to 27,104.28, 40,660.29 and 8,385.91

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Solution

The fourth proportional to 27,104.28, 40,660.29 and 8,385.91 is: 12,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.28 : 40,660.29 = 8,385.91 : x
  2. Step 2: Convert to fraction form
    27,104.28/40,660.29 = 8,385.91/x
  3. Step 3: Cross multiply
    27,104.28x = 40,660.29 × 8,385.91
  4. Step 4: Simplify right side
    27,104.28x = 340,973,634.16
  5. Step 5: Solve for x
    x = 340,973,634.16/27,104.28
  6. Step 6: Final answer
    x = 12,580.07

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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.