Home / 27,747.64-41,601.96-10,215.20

Finding the Fourth Proportional to 27,747.64, 41,601.96 and 10,215.20

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Solution

The fourth proportional to 27,747.64, 41,601.96 and 10,215.20 is: 15,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.64 : 41,601.96 = 10,215.20 : x
  2. Step 2: Convert to fraction form
    27,747.64/41,601.96 = 10,215.20/x
  3. Step 3: Cross multiply
    27,747.64x = 41,601.96 × 10,215.20
  4. Step 4: Simplify right side
    27,747.64x = 424,972,341.79
  5. Step 5: Solve for x
    x = 424,972,341.79/27,747.64
  6. Step 6: Final answer
    x = 15,315.62

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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.