Home / 28,032.81-38,691.12-27,144.03

Finding the Fourth Proportional to 28,032.81, 38,691.12 and 27,144.03

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Solution

The fourth proportional to 28,032.81, 38,691.12 and 27,144.03 is: 37,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.81 : 38,691.12 = 27,144.03 : x
  2. Step 2: Convert to fraction form
    28,032.81/38,691.12 = 27,144.03/x
  3. Step 3: Cross multiply
    28,032.81x = 38,691.12 × 27,144.03
  4. Step 4: Simplify right side
    28,032.81x = 1,050,233,168.90
  5. Step 5: Solve for x
    x = 1,050,233,168.90/28,032.81
  6. Step 6: Final answer
    x = 37,464.43

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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.