Home / 22,479.60-33,719.40-10,815.60

Finding the Fourth Proportional to 22,479.60, 33,719.40 and 10,815.60

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Solution

The fourth proportional to 22,479.60, 33,719.40 and 10,815.60 is: 16,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.60 : 33,719.40 = 10,815.60 : x
  2. Step 2: Convert to fraction form
    22,479.60/33,719.40 = 10,815.60/x
  3. Step 3: Cross multiply
    22,479.60x = 33,719.40 × 10,815.60
  4. Step 4: Simplify right side
    22,479.60x = 364,695,542.64
  5. Step 5: Solve for x
    x = 364,695,542.64/22,479.60
  6. Step 6: Final answer
    x = 16,223.40

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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.