Home / 27,619.20-41,428.76-6,842.70

Finding the Fourth Proportional to 27,619.20, 41,428.76 and 6,842.70

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Solution

The fourth proportional to 27,619.20, 41,428.76 and 6,842.70 is: 10,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.20 : 41,428.76 = 6,842.70 : x
  2. Step 2: Convert to fraction form
    27,619.20/41,428.76 = 6,842.70/x
  3. Step 3: Cross multiply
    27,619.20x = 41,428.76 × 6,842.70
  4. Step 4: Simplify right side
    27,619.20x = 283,484,541.84
  5. Step 5: Solve for x
    x = 283,484,541.84/27,619.20
  6. Step 6: Final answer
    x = 10,264.04

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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.