Home / 28,641.12-39,526.56-16,067.76

Finding the Fourth Proportional to 28,641.12, 39,526.56 and 16,067.76

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Solution

The fourth proportional to 28,641.12, 39,526.56 and 16,067.76 is: 22,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.12 : 39,526.56 = 16,067.76 : x
  2. Step 2: Convert to fraction form
    28,641.12/39,526.56 = 16,067.76/x
  3. Step 3: Cross multiply
    28,641.12x = 39,526.56 × 16,067.76
  4. Step 4: Simplify right side
    28,641.12x = 635,103,279.71
  5. Step 5: Solve for x
    x = 635,103,279.71/28,641.12
  6. Step 6: Final answer
    x = 22,174.53

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