Home / 28,584.40-39,447.72-16,008.88

Finding the Fourth Proportional to 28,584.40, 39,447.72 and 16,008.88

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Solution

The fourth proportional to 28,584.40, 39,447.72 and 16,008.88 is: 22,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.40 : 39,447.72 = 16,008.88 : x
  2. Step 2: Convert to fraction form
    28,584.40/39,447.72 = 16,008.88/x
  3. Step 3: Cross multiply
    28,584.40x = 39,447.72 × 16,008.88
  4. Step 4: Simplify right side
    28,584.40x = 631,513,815.75
  5. Step 5: Solve for x
    x = 631,513,815.75/28,584.40
  6. Step 6: Final answer
    x = 22,092.95

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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.