Home / 27,124.13-40,686.20-13,081.53

Finding the Fourth Proportional to 27,124.13, 40,686.20 and 13,081.53

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Solution

The fourth proportional to 27,124.13, 40,686.20 and 13,081.53 is: 19,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.13 : 40,686.20 = 13,081.53 : x
  2. Step 2: Convert to fraction form
    27,124.13/40,686.20 = 13,081.53/x
  3. Step 3: Cross multiply
    27,124.13x = 40,686.20 × 13,081.53
  4. Step 4: Simplify right side
    27,124.13x = 532,237,680.48
  5. Step 5: Solve for x
    x = 532,237,680.48/27,124.13
  6. Step 6: Final answer
    x = 19,622.30

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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.