Home / 15,553.20-23,329.80-14,581.20

Finding the Fourth Proportional to 15,553.20, 23,329.80 and 14,581.20

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Solution

The fourth proportional to 15,553.20, 23,329.80 and 14,581.20 is: 21,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.20 : 23,329.80 = 14,581.20 : x
  2. Step 2: Convert to fraction form
    15,553.20/23,329.80 = 14,581.20/x
  3. Step 3: Cross multiply
    15,553.20x = 23,329.80 × 14,581.20
  4. Step 4: Simplify right side
    15,553.20x = 340,176,479.76
  5. Step 5: Solve for x
    x = 340,176,479.76/15,553.20
  6. Step 6: Final answer
    x = 21,871.80

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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.