Home / 28,796.47-43,122.58-18,234.61

Finding the Fourth Proportional to 28,796.47, 43,122.58 and 18,234.61

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Solution

The fourth proportional to 28,796.47, 43,122.58 and 18,234.61 is: 27,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.47 : 43,122.58 = 18,234.61 : x
  2. Step 2: Convert to fraction form
    28,796.47/43,122.58 = 18,234.61/x
  3. Step 3: Cross multiply
    28,796.47x = 43,122.58 × 18,234.61
  4. Step 4: Simplify right side
    28,796.47x = 786,323,275.10
  5. Step 5: Solve for x
    x = 786,323,275.10/28,796.47
  6. Step 6: Final answer
    x = 27,306.24

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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.