Home / 27,771.12-38,324.88-17,159.76

Finding the Fourth Proportional to 27,771.12, 38,324.88 and 17,159.76

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Solution

The fourth proportional to 27,771.12, 38,324.88 and 17,159.76 is: 23,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,771.12 : 38,324.88 = 17,159.76 : x
  2. Step 2: Convert to fraction form
    27,771.12/38,324.88 = 17,159.76/x
  3. Step 3: Cross multiply
    27,771.12x = 38,324.88 × 17,159.76
  4. Step 4: Simplify right side
    27,771.12x = 657,645,742.83
  5. Step 5: Solve for x
    x = 657,645,742.83/27,771.12
  6. Step 6: Final answer
    x = 23,680.92

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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.