Home / 39,644.28-59,431.86-15,003

Finding the Fourth Proportional to 39,644.28, 59,431.86 and 15,003

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Solution

The fourth proportional to 39,644.28, 59,431.86 and 15,003 is: 22,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,644.28 : 59,431.86 = 15,003 : x
  2. Step 2: Convert to fraction form
    39,644.28/59,431.86 = 15,003/x
  3. Step 3: Cross multiply
    39,644.28x = 59,431.86 × 15,003
  4. Step 4: Simplify right side
    39,644.28x = 891,656,195.58
  5. Step 5: Solve for x
    x = 891,656,195.58/39,644.28
  6. Step 6: Final answer
    x = 22,491.42

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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.