Home / 28,015.96-38,717.76-22,972.36

Finding the Fourth Proportional to 28,015.96, 38,717.76 and 22,972.36

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Solution

The fourth proportional to 28,015.96, 38,717.76 and 22,972.36 is: 31,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.96 : 38,717.76 = 22,972.36 : x
  2. Step 2: Convert to fraction form
    28,015.96/38,717.76 = 22,972.36/x
  3. Step 3: Cross multiply
    28,015.96x = 38,717.76 × 22,972.36
  4. Step 4: Simplify right side
    28,015.96x = 889,438,321.11
  5. Step 5: Solve for x
    x = 889,438,321.11/28,015.96
  6. Step 6: Final answer
    x = 31,747.56

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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.