Home / 28,728.68-43,079.32-10,006.41

Finding the Fourth Proportional to 28,728.68, 43,079.32 and 10,006.41

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Solution

The fourth proportional to 28,728.68, 43,079.32 and 10,006.41 is: 15,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728.68 : 43,079.32 = 10,006.41 : x
  2. Step 2: Convert to fraction form
    28,728.68/43,079.32 = 10,006.41/x
  3. Step 3: Cross multiply
    28,728.68x = 43,079.32 × 10,006.41
  4. Step 4: Simplify right side
    28,728.68x = 431,069,363.19
  5. Step 5: Solve for x
    x = 431,069,363.19/28,728.68
  6. Step 6: Final answer
    x = 15,004.85

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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.