Home / 28,775.16-43,104.42-14,895

Finding the Fourth Proportional to 28,775.16, 43,104.42 and 14,895

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Solution

The fourth proportional to 28,775.16, 43,104.42 and 14,895 is: 22,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775.16 : 43,104.42 = 14,895 : x
  2. Step 2: Convert to fraction form
    28,775.16/43,104.42 = 14,895/x
  3. Step 3: Cross multiply
    28,775.16x = 43,104.42 × 14,895
  4. Step 4: Simplify right side
    28,775.16x = 642,040,335.90
  5. Step 5: Solve for x
    x = 642,040,335.90/28,775.16
  6. Step 6: Final answer
    x = 22,312.31

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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.