Home / 21,232.27-31,862.28-8,084.77

Finding the Fourth Proportional to 21,232.27, 31,862.28 and 8,084.77

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Solution

The fourth proportional to 21,232.27, 31,862.28 and 8,084.77 is: 12,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.27 : 31,862.28 = 8,084.77 : x
  2. Step 2: Convert to fraction form
    21,232.27/31,862.28 = 8,084.77/x
  3. Step 3: Cross multiply
    21,232.27x = 31,862.28 × 8,084.77
  4. Step 4: Simplify right side
    21,232.27x = 257,599,205.48
  5. Step 5: Solve for x
    x = 257,599,205.48/21,232.27
  6. Step 6: Final answer
    x = 12,132.44

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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.