Home / 67,621.27-101,441.13-28,169.15

Finding the Fourth Proportional to 67,621.27, 101,441.13 and 28,169.15

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Solution

The fourth proportional to 67,621.27, 101,441.13 and 28,169.15 is: 42,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.27 : 101,441.13 = 28,169.15 : x
  2. Step 2: Convert to fraction form
    67,621.27/101,441.13 = 28,169.15/x
  3. Step 3: Cross multiply
    67,621.27x = 101,441.13 × 28,169.15
  4. Step 4: Simplify right side
    67,621.27x = 2,857,510,266.29
  5. Step 5: Solve for x
    x = 2,857,510,266.29/67,621.27
  6. Step 6: Final answer
    x = 42,257.57

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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.