Home / 27,649.49-38,154.85-17,428.66

Finding the Fourth Proportional to 27,649.49, 38,154.85 and 17,428.66

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Solution

The fourth proportional to 27,649.49, 38,154.85 and 17,428.66 is: 24,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.49 : 38,154.85 = 17,428.66 : x
  2. Step 2: Convert to fraction form
    27,649.49/38,154.85 = 17,428.66/x
  3. Step 3: Cross multiply
    27,649.49x = 38,154.85 × 17,428.66
  4. Step 4: Simplify right side
    27,649.49x = 664,987,769.04
  5. Step 5: Solve for x
    x = 664,987,769.04/27,649.49
  6. Step 6: Final answer
    x = 24,050.64

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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.