Home / 27,809.20-38,389.12-17,750.96

Finding the Fourth Proportional to 27,809.20, 38,389.12 and 17,750.96

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Solution

The fourth proportional to 27,809.20, 38,389.12 and 17,750.96 is: 24,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.20 : 38,389.12 = 17,750.96 : x
  2. Step 2: Convert to fraction form
    27,809.20/38,389.12 = 17,750.96/x
  3. Step 3: Cross multiply
    27,809.20x = 38,389.12 × 17,750.96
  4. Step 4: Simplify right side
    27,809.20x = 681,443,733.56
  5. Step 5: Solve for x
    x = 681,443,733.56/27,809.20
  6. Step 6: Final answer
    x = 24,504.26

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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.