Home / 28,306.06-39,062.55-17,701.90

Finding the Fourth Proportional to 28,306.06, 39,062.55 and 17,701.90

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Solution

The fourth proportional to 28,306.06, 39,062.55 and 17,701.90 is: 24,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.06 : 39,062.55 = 17,701.90 : x
  2. Step 2: Convert to fraction form
    28,306.06/39,062.55 = 17,701.90/x
  3. Step 3: Cross multiply
    28,306.06x = 39,062.55 × 17,701.90
  4. Step 4: Simplify right side
    28,306.06x = 691,481,353.85
  5. Step 5: Solve for x
    x = 691,481,353.85/28,306.06
  6. Step 6: Final answer
    x = 24,428.74

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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.