Home / 28,810.46-43,215.42-15,659.84

Finding the Fourth Proportional to 28,810.46, 43,215.42 and 15,659.84

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Solution

The fourth proportional to 28,810.46, 43,215.42 and 15,659.84 is: 23,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.46 : 43,215.42 = 15,659.84 : x
  2. Step 2: Convert to fraction form
    28,810.46/43,215.42 = 15,659.84/x
  3. Step 3: Cross multiply
    28,810.46x = 43,215.42 × 15,659.84
  4. Step 4: Simplify right side
    28,810.46x = 676,746,562.73
  5. Step 5: Solve for x
    x = 676,746,562.73/28,810.46
  6. Step 6: Final answer
    x = 23,489.61

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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.