Home / 26,836.40-40,218-10,187.52

Finding the Fourth Proportional to 26,836.40, 40,218 and 10,187.52

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Solution

The fourth proportional to 26,836.40, 40,218 and 10,187.52 is: 15,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,836.40 : 40,218 = 10,187.52 : x
  2. Step 2: Convert to fraction form
    26,836.40/40,218 = 10,187.52/x
  3. Step 3: Cross multiply
    26,836.40x = 40,218 × 10,187.52
  4. Step 4: Simplify right side
    26,836.40x = 409,721,679.36
  5. Step 5: Solve for x
    x = 409,721,679.36/26,836.40
  6. Step 6: Final answer
    x = 15,267.39

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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.