Home / 27,750.21-38,279.70-17,132.28

Finding the Fourth Proportional to 27,750.21, 38,279.70 and 17,132.28

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Solution

The fourth proportional to 27,750.21, 38,279.70 and 17,132.28 is: 23,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.21 : 38,279.70 = 17,132.28 : x
  2. Step 2: Convert to fraction form
    27,750.21/38,279.70 = 17,132.28/x
  3. Step 3: Cross multiply
    27,750.21x = 38,279.70 × 17,132.28
  4. Step 4: Simplify right side
    27,750.21x = 655,818,538.72
  5. Step 5: Solve for x
    x = 655,818,538.72/27,750.21
  6. Step 6: Final answer
    x = 23,632.92

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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.