Home / 26,185.50-36,135.99-15,007.50

Finding the Fourth Proportional to 26,185.50, 36,135.99 and 15,007.50

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Solution

The fourth proportional to 26,185.50, 36,135.99 and 15,007.50 is: 20,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185.50 : 36,135.99 = 15,007.50 : x
  2. Step 2: Convert to fraction form
    26,185.50/36,135.99 = 15,007.50/x
  3. Step 3: Cross multiply
    26,185.50x = 36,135.99 × 15,007.50
  4. Step 4: Simplify right side
    26,185.50x = 542,310,869.93
  5. Step 5: Solve for x
    x = 542,310,869.93/26,185.50
  6. Step 6: Final answer
    x = 20,710.35

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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.