Home / 28,233.22-42,366.22-12,650.85

Finding the Fourth Proportional to 28,233.22, 42,366.22 and 12,650.85

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Solution

The fourth proportional to 28,233.22, 42,366.22 and 12,650.85 is: 18,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.22 : 42,366.22 = 12,650.85 : x
  2. Step 2: Convert to fraction form
    28,233.22/42,366.22 = 12,650.85/x
  3. Step 3: Cross multiply
    28,233.22x = 42,366.22 × 12,650.85
  4. Step 4: Simplify right side
    28,233.22x = 535,968,482.46
  5. Step 5: Solve for x
    x = 535,968,482.46/28,233.22
  6. Step 6: Final answer
    x = 18,983.61

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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.