Home / 28,532.15-42,803.09-8,542.97

Finding the Fourth Proportional to 28,532.15, 42,803.09 and 8,542.97

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Solution

The fourth proportional to 28,532.15, 42,803.09 and 8,542.97 is: 12,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532.15 : 42,803.09 = 8,542.97 : x
  2. Step 2: Convert to fraction form
    28,532.15/42,803.09 = 8,542.97/x
  3. Step 3: Cross multiply
    28,532.15x = 42,803.09 × 8,542.97
  4. Step 4: Simplify right side
    28,532.15x = 365,665,471.06
  5. Step 5: Solve for x
    x = 365,665,471.06/28,532.15
  6. Step 6: Final answer
    x = 12,815.91

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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.