Home / 28,872.44-39,842.18-16,125.16

Finding the Fourth Proportional to 28,872.44, 39,842.18 and 16,125.16

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Solution

The fourth proportional to 28,872.44, 39,842.18 and 16,125.16 is: 22,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.44 : 39,842.18 = 16,125.16 : x
  2. Step 2: Convert to fraction form
    28,872.44/39,842.18 = 16,125.16/x
  3. Step 3: Cross multiply
    28,872.44x = 39,842.18 × 16,125.16
  4. Step 4: Simplify right side
    28,872.44x = 642,461,527.25
  5. Step 5: Solve for x
    x = 642,461,527.25/28,872.44
  6. Step 6: Final answer
    x = 22,251.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.