Home / 28,305.08-39,064.60-16,366.11

Finding the Fourth Proportional to 28,305.08, 39,064.60 and 16,366.11

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Solution

The fourth proportional to 28,305.08, 39,064.60 and 16,366.11 is: 22,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.08 : 39,064.60 = 16,366.11 : x
  2. Step 2: Convert to fraction form
    28,305.08/39,064.60 = 16,366.11/x
  3. Step 3: Cross multiply
    28,305.08x = 39,064.60 × 16,366.11
  4. Step 4: Simplify right side
    28,305.08x = 639,335,488.17
  5. Step 5: Solve for x
    x = 639,335,488.17/28,305.08
  6. Step 6: Final answer
    x = 22,587.31

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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.