Home / 28,292.47-42,443.11-8,566.34

Finding the Fourth Proportional to 28,292.47, 42,443.11 and 8,566.34

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Solution

The fourth proportional to 28,292.47, 42,443.11 and 8,566.34 is: 12,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,292.47 : 42,443.11 = 8,566.34 : x
  2. Step 2: Convert to fraction form
    28,292.47/42,443.11 = 8,566.34/x
  3. Step 3: Cross multiply
    28,292.47x = 42,443.11 × 8,566.34
  4. Step 4: Simplify right side
    28,292.47x = 363,582,110.92
  5. Step 5: Solve for x
    x = 363,582,110.92/28,292.47
  6. Step 6: Final answer
    x = 12,850.84

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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.