Home / 15,559.33-23,339.06-3,872.55

Finding the Fourth Proportional to 15,559.33, 23,339.06 and 3,872.55

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Solution

The fourth proportional to 15,559.33, 23,339.06 and 3,872.55 is: 5,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.33 : 23,339.06 = 3,872.55 : x
  2. Step 2: Convert to fraction form
    15,559.33/23,339.06 = 3,872.55/x
  3. Step 3: Cross multiply
    15,559.33x = 23,339.06 × 3,872.55
  4. Step 4: Simplify right side
    15,559.33x = 90,381,569.79
  5. Step 5: Solve for x
    x = 90,381,569.79/15,559.33
  6. Step 6: Final answer
    x = 5,808.84

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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.