Home / 26,739-40,077.18-9,193.32

Finding the Fourth Proportional to 26,739, 40,077.18 and 9,193.32

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Solution

The fourth proportional to 26,739, 40,077.18 and 9,193.32 is: 13,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739 : 40,077.18 = 9,193.32 : x
  2. Step 2: Convert to fraction form
    26,739/40,077.18 = 9,193.32/x
  3. Step 3: Cross multiply
    26,739x = 40,077.18 × 9,193.32
  4. Step 4: Simplify right side
    26,739x = 368,442,340.44
  5. Step 5: Solve for x
    x = 368,442,340.44/26,739
  6. Step 6: Final answer
    x = 13,779.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.