Home / 26,007.18-39,005.88-10,211.56

Finding the Fourth Proportional to 26,007.18, 39,005.88 and 10,211.56

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Solution

The fourth proportional to 26,007.18, 39,005.88 and 10,211.56 is: 15,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,007.18 : 39,005.88 = 10,211.56 : x
  2. Step 2: Convert to fraction form
    26,007.18/39,005.88 = 10,211.56/x
  3. Step 3: Cross multiply
    26,007.18x = 39,005.88 × 10,211.56
  4. Step 4: Simplify right side
    26,007.18x = 398,310,883.97
  5. Step 5: Solve for x
    x = 398,310,883.97/26,007.18
  6. Step 6: Final answer
    x = 15,315.42

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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.