Home / 52,121.33-71,927.40-28,248

Finding the Fourth Proportional to 52,121.33, 71,927.40 and 28,248

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Solution

The fourth proportional to 52,121.33, 71,927.40 and 28,248 is: 38,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,121.33 : 71,927.40 = 28,248 : x
  2. Step 2: Convert to fraction form
    52,121.33/71,927.40 = 28,248/x
  3. Step 3: Cross multiply
    52,121.33x = 71,927.40 × 28,248
  4. Step 4: Simplify right side
    52,121.33x = 2,031,805,195.20
  5. Step 5: Solve for x
    x = 2,031,805,195.20/52,121.33
  6. Step 6: Final answer
    x = 38,982.22

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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.