Home / 34,718.20-47,891.93-28,264.78

Finding the Fourth Proportional to 34,718.20, 47,891.93 and 28,264.78

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Solution

The fourth proportional to 34,718.20, 47,891.93 and 28,264.78 is: 38,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.20 : 47,891.93 = 28,264.78 : x
  2. Step 2: Convert to fraction form
    34,718.20/47,891.93 = 28,264.78/x
  3. Step 3: Cross multiply
    34,718.20x = 47,891.93 × 28,264.78
  4. Step 4: Simplify right side
    34,718.20x = 1,353,654,728.57
  5. Step 5: Solve for x
    x = 1,353,654,728.57/34,718.20
  6. Step 6: Final answer
    x = 38,989.78

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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.