Home / 26,418.89-36,459.20-15,806.48

Finding the Fourth Proportional to 26,418.89, 36,459.20 and 15,806.48

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Solution

The fourth proportional to 26,418.89, 36,459.20 and 15,806.48 is: 21,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.89 : 36,459.20 = 15,806.48 : x
  2. Step 2: Convert to fraction form
    26,418.89/36,459.20 = 15,806.48/x
  3. Step 3: Cross multiply
    26,418.89x = 36,459.20 × 15,806.48
  4. Step 4: Simplify right side
    26,418.89x = 576,291,354.29
  5. Step 5: Solve for x
    x = 576,291,354.29/26,418.89
  6. Step 6: Final answer
    x = 21,813.61

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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.