Home / 21,815.66-32,724.71-7,023.44

Finding the Fourth Proportional to 21,815.66, 32,724.71 and 7,023.44

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Solution

The fourth proportional to 21,815.66, 32,724.71 and 7,023.44 is: 10,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815.66 : 32,724.71 = 7,023.44 : x
  2. Step 2: Convert to fraction form
    21,815.66/32,724.71 = 7,023.44/x
  3. Step 3: Cross multiply
    21,815.66x = 32,724.71 × 7,023.44
  4. Step 4: Simplify right side
    21,815.66x = 229,840,037.20
  5. Step 5: Solve for x
    x = 229,840,037.20/21,815.66
  6. Step 6: Final answer
    x = 10,535.55

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1.5x scale

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.