Home / 26,100.87-36,019.10-15,499.23

Finding the Fourth Proportional to 26,100.87, 36,019.10 and 15,499.23

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Solution

The fourth proportional to 26,100.87, 36,019.10 and 15,499.23 is: 21,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,100.87 : 36,019.10 = 15,499.23 : x
  2. Step 2: Convert to fraction form
    26,100.87/36,019.10 = 15,499.23/x
  3. Step 3: Cross multiply
    26,100.87x = 36,019.10 × 15,499.23
  4. Step 4: Simplify right side
    26,100.87x = 558,268,237.80
  5. Step 5: Solve for x
    x = 558,268,237.80/26,100.87
  6. Step 6: Final answer
    x = 21,388.87

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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.