Home / 28,091.22-42,110.79-10,572.66

Finding the Fourth Proportional to 28,091.22, 42,110.79 and 10,572.66

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Solution

The fourth proportional to 28,091.22, 42,110.79 and 10,572.66 is: 15,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.22 : 42,110.79 = 10,572.66 : x
  2. Step 2: Convert to fraction form
    28,091.22/42,110.79 = 10,572.66/x
  3. Step 3: Cross multiply
    28,091.22x = 42,110.79 × 10,572.66
  4. Step 4: Simplify right side
    28,091.22x = 445,223,065.00
  5. Step 5: Solve for x
    x = 445,223,065.00/28,091.22
  6. Step 6: Final answer
    x = 15,849.19

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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.