Home / 26,691.18-40,036.64-6,969.30

Finding the Fourth Proportional to 26,691.18, 40,036.64 and 6,969.30

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Solution

The fourth proportional to 26,691.18, 40,036.64 and 6,969.30 is: 10,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.18 : 40,036.64 = 6,969.30 : x
  2. Step 2: Convert to fraction form
    26,691.18/40,036.64 = 6,969.30/x
  3. Step 3: Cross multiply
    26,691.18x = 40,036.64 × 6,969.30
  4. Step 4: Simplify right side
    26,691.18x = 279,027,320.31
  5. Step 5: Solve for x
    x = 279,027,320.31/26,691.18
  6. Step 6: Final answer
    x = 10,453.91

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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.