Home / 27,228.20-40,842.30-9,717.80

Finding the Fourth Proportional to 27,228.20, 40,842.30 and 9,717.80

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Solution

The fourth proportional to 27,228.20, 40,842.30 and 9,717.80 is: 14,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.20 : 40,842.30 = 9,717.80 : x
  2. Step 2: Convert to fraction form
    27,228.20/40,842.30 = 9,717.80/x
  3. Step 3: Cross multiply
    27,228.20x = 40,842.30 × 9,717.80
  4. Step 4: Simplify right side
    27,228.20x = 396,897,302.94
  5. Step 5: Solve for x
    x = 396,897,302.94/27,228.20
  6. Step 6: Final answer
    x = 14,576.70

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1.5x scale

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.