Home / 27,749.28-38,292.60-17,139.84

Finding the Fourth Proportional to 27,749.28, 38,292.60 and 17,139.84

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Solution

The fourth proportional to 27,749.28, 38,292.60 and 17,139.84 is: 23,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.28 : 38,292.60 = 17,139.84 : x
  2. Step 2: Convert to fraction form
    27,749.28/38,292.60 = 17,139.84/x
  3. Step 3: Cross multiply
    27,749.28x = 38,292.60 × 17,139.84
  4. Step 4: Simplify right side
    27,749.28x = 656,329,037.18
  5. Step 5: Solve for x
    x = 656,329,037.18/27,749.28
  6. Step 6: Final answer
    x = 23,652.11

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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.