Home / 21,557.27-32,340.77-6,766.13

Finding the Fourth Proportional to 21,557.27, 32,340.77 and 6,766.13

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Solution

The fourth proportional to 21,557.27, 32,340.77 and 6,766.13 is: 10,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.27 : 32,340.77 = 6,766.13 : x
  2. Step 2: Convert to fraction form
    21,557.27/32,340.77 = 6,766.13/x
  3. Step 3: Cross multiply
    21,557.27x = 32,340.77 × 6,766.13
  4. Step 4: Simplify right side
    21,557.27x = 218,821,854.12
  5. Step 5: Solve for x
    x = 218,821,854.12/21,557.27
  6. Step 6: Final answer
    x = 10,150.72

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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.