Home / 26,557.29-39,836.03-9,917.15

Finding the Fourth Proportional to 26,557.29, 39,836.03 and 9,917.15

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Solution

The fourth proportional to 26,557.29, 39,836.03 and 9,917.15 is: 14,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.29 : 39,836.03 = 9,917.15 : x
  2. Step 2: Convert to fraction form
    26,557.29/39,836.03 = 9,917.15/x
  3. Step 3: Cross multiply
    26,557.29x = 39,836.03 × 9,917.15
  4. Step 4: Simplify right side
    26,557.29x = 395,059,710.53
  5. Step 5: Solve for x
    x = 395,059,710.53/26,557.29
  6. Step 6: Final answer
    x = 14,875.75

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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.