Home / 27,512.48-37,882.21-21,487.06

Finding the Fourth Proportional to 27,512.48, 37,882.21 and 21,487.06

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Solution

The fourth proportional to 27,512.48, 37,882.21 and 21,487.06 is: 29,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.48 : 37,882.21 = 21,487.06 : x
  2. Step 2: Convert to fraction form
    27,512.48/37,882.21 = 21,487.06/x
  3. Step 3: Cross multiply
    27,512.48x = 37,882.21 × 21,487.06
  4. Step 4: Simplify right side
    27,512.48x = 813,977,143.92
  5. Step 5: Solve for x
    x = 813,977,143.92/27,512.48
  6. Step 6: Final answer
    x = 29,585.75

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1.5x scale

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.