Home / 20,255.38-27,953.01-11,302.69

Finding the Fourth Proportional to 20,255.38, 27,953.01 and 11,302.69

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Solution

The fourth proportional to 20,255.38, 27,953.01 and 11,302.69 is: 15,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.38 : 27,953.01 = 11,302.69 : x
  2. Step 2: Convert to fraction form
    20,255.38/27,953.01 = 11,302.69/x
  3. Step 3: Cross multiply
    20,255.38x = 27,953.01 × 11,302.69
  4. Step 4: Simplify right side
    20,255.38x = 315,944,206.60
  5. Step 5: Solve for x
    x = 315,944,206.60/20,255.38
  6. Step 6: Final answer
    x = 15,598.04

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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.