Home / 28,961.01-43,444.28-12,091.95

Finding the Fourth Proportional to 28,961.01, 43,444.28 and 12,091.95

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Solution

The fourth proportional to 28,961.01, 43,444.28 and 12,091.95 is: 18,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.01 : 43,444.28 = 12,091.95 : x
  2. Step 2: Convert to fraction form
    28,961.01/43,444.28 = 12,091.95/x
  3. Step 3: Cross multiply
    28,961.01x = 43,444.28 × 12,091.95
  4. Step 4: Simplify right side
    28,961.01x = 525,326,091.78
  5. Step 5: Solve for x
    x = 525,326,091.78/28,961.01
  6. Step 6: Final answer
    x = 18,139.08

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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.