Home / 39,988.64-55,193-27,272.14

Finding the Fourth Proportional to 39,988.64, 55,193 and 27,272.14

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Solution

The fourth proportional to 39,988.64, 55,193 and 27,272.14 is: 37,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.64 : 55,193 = 27,272.14 : x
  2. Step 2: Convert to fraction form
    39,988.64/55,193 = 27,272.14/x
  3. Step 3: Cross multiply
    39,988.64x = 55,193 × 27,272.14
  4. Step 4: Simplify right side
    39,988.64x = 1,505,231,223.02
  5. Step 5: Solve for x
    x = 1,505,231,223.02/39,988.64
  6. Step 6: Final answer
    x = 37,641.47

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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.