Home / 20,608.29-28,428.98-13,041.87

Finding the Fourth Proportional to 20,608.29, 28,428.98 and 13,041.87

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Solution

The fourth proportional to 20,608.29, 28,428.98 and 13,041.87 is: 17,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.29 : 28,428.98 = 13,041.87 : x
  2. Step 2: Convert to fraction form
    20,608.29/28,428.98 = 13,041.87/x
  3. Step 3: Cross multiply
    20,608.29x = 28,428.98 × 13,041.87
  4. Step 4: Simplify right side
    20,608.29x = 370,766,996.18
  5. Step 5: Solve for x
    x = 370,766,996.18/20,608.29
  6. Step 6: Final answer
    x = 17,991.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.