Home / 28,961.52-39,966.60-16,386.24

Finding the Fourth Proportional to 28,961.52, 39,966.60 and 16,386.24

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Solution

The fourth proportional to 28,961.52, 39,966.60 and 16,386.24 is: 22,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.52 : 39,966.60 = 16,386.24 : x
  2. Step 2: Convert to fraction form
    28,961.52/39,966.60 = 16,386.24/x
  3. Step 3: Cross multiply
    28,961.52x = 39,966.60 × 16,386.24
  4. Step 4: Simplify right side
    28,961.52x = 654,902,299.58
  5. Step 5: Solve for x
    x = 654,902,299.58/28,961.52
  6. Step 6: Final answer
    x = 22,612.84

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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.