Home / 26,895.30-40,306.09-13,720.04

Finding the Fourth Proportional to 26,895.30, 40,306.09 and 13,720.04

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Solution

The fourth proportional to 26,895.30, 40,306.09 and 13,720.04 is: 20,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.30 : 40,306.09 = 13,720.04 : x
  2. Step 2: Convert to fraction form
    26,895.30/40,306.09 = 13,720.04/x
  3. Step 3: Cross multiply
    26,895.30x = 40,306.09 × 13,720.04
  4. Step 4: Simplify right side
    26,895.30x = 553,001,167.04
  5. Step 5: Solve for x
    x = 553,001,167.04/26,895.30
  6. Step 6: Final answer
    x = 20,561.26

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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.