Home / 52,121.07-71,927.20-28,247.74

Finding the Fourth Proportional to 52,121.07, 71,927.20 and 28,247.74

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Solution

The fourth proportional to 52,121.07, 71,927.20 and 28,247.74 is: 38,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.07 : 71,927.20 = 28,247.74 : x
  2. Step 2: Convert to fraction form
    52,121.07/71,927.20 = 28,247.74/x
  3. Step 3: Cross multiply
    52,121.07x = 71,927.20 × 28,247.74
  4. Step 4: Simplify right side
    52,121.07x = 2,031,780,700.02
  5. Step 5: Solve for x
    x = 2,031,780,700.02/52,121.07
  6. Step 6: Final answer
    x = 38,981.95

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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.