Home / 39,170.80-54,027.76-27,667.20

Finding the Fourth Proportional to 39,170.80, 54,027.76 and 27,667.20

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Solution

The fourth proportional to 39,170.80, 54,027.76 and 27,667.20 is: 38,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.80 : 54,027.76 = 27,667.20 : x
  2. Step 2: Convert to fraction form
    39,170.80/54,027.76 = 27,667.20/x
  3. Step 3: Cross multiply
    39,170.80x = 54,027.76 × 27,667.20
  4. Step 4: Simplify right side
    39,170.80x = 1,494,796,841.47
  5. Step 5: Solve for x
    x = 1,494,796,841.47/39,170.80
  6. Step 6: Final answer
    x = 38,161.00

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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.