Home / 15,835.04-23,750.79-3,988.82

Finding the Fourth Proportional to 15,835.04, 23,750.79 and 3,988.82

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Solution

The fourth proportional to 15,835.04, 23,750.79 and 3,988.82 is: 5,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.04 : 23,750.79 = 3,988.82 : x
  2. Step 2: Convert to fraction form
    15,835.04/23,750.79 = 3,988.82/x
  3. Step 3: Cross multiply
    15,835.04x = 23,750.79 × 3,988.82
  4. Step 4: Simplify right side
    15,835.04x = 94,737,637.44
  5. Step 5: Solve for x
    x = 94,737,637.44/15,835.04
  6. Step 6: Final answer
    x = 5,982.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.