Home / 27,746.20-38,289.76-15,170.95

Finding the Fourth Proportional to 27,746.20, 38,289.76 and 15,170.95

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Solution

The fourth proportional to 27,746.20, 38,289.76 and 15,170.95 is: 20,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.20 : 38,289.76 = 15,170.95 : x
  2. Step 2: Convert to fraction form
    27,746.20/38,289.76 = 15,170.95/x
  3. Step 3: Cross multiply
    27,746.20x = 38,289.76 × 15,170.95
  4. Step 4: Simplify right side
    27,746.20x = 580,892,034.47
  5. Step 5: Solve for x
    x = 580,892,034.47/27,746.20
  6. Step 6: Final answer
    x = 20,935.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.