Home / 21,585.90-32,382.94-8,437.44

Finding the Fourth Proportional to 21,585.90, 32,382.94 and 8,437.44

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Solution

The fourth proportional to 21,585.90, 32,382.94 and 8,437.44 is: 12,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.90 : 32,382.94 = 8,437.44 : x
  2. Step 2: Convert to fraction form
    21,585.90/32,382.94 = 8,437.44/x
  3. Step 3: Cross multiply
    21,585.90x = 32,382.94 × 8,437.44
  4. Step 4: Simplify right side
    21,585.90x = 273,229,113.27
  5. Step 5: Solve for x
    x = 273,229,113.27/21,585.90
  6. Step 6: Final answer
    x = 12,657.76

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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.