Home / 28,346.13-42,504.62-12,755.25

Finding the Fourth Proportional to 28,346.13, 42,504.62 and 12,755.25

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Solution

The fourth proportional to 28,346.13, 42,504.62 and 12,755.25 is: 19,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.13 : 42,504.62 = 12,755.25 : x
  2. Step 2: Convert to fraction form
    28,346.13/42,504.62 = 12,755.25/x
  3. Step 3: Cross multiply
    28,346.13x = 42,504.62 × 12,755.25
  4. Step 4: Simplify right side
    28,346.13x = 542,156,990.48
  5. Step 5: Solve for x
    x = 542,156,990.48/28,346.13
  6. Step 6: Final answer
    x = 19,126.31

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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.