Home / 28,719.74-43,074.57-13,133.66

Finding the Fourth Proportional to 28,719.74, 43,074.57 and 13,133.66

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Solution

The fourth proportional to 28,719.74, 43,074.57 and 13,133.66 is: 19,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,719.74 : 43,074.57 = 13,133.66 : x
  2. Step 2: Convert to fraction form
    28,719.74/43,074.57 = 13,133.66/x
  3. Step 3: Cross multiply
    28,719.74x = 43,074.57 × 13,133.66
  4. Step 4: Simplify right side
    28,719.74x = 565,726,757.03
  5. Step 5: Solve for x
    x = 565,726,757.03/28,719.74
  6. Step 6: Final answer
    x = 19,698.19

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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.