Home / 28,908.66-43,329.96-13,125.72

Finding the Fourth Proportional to 28,908.66, 43,329.96 and 13,125.72

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Solution

The fourth proportional to 28,908.66, 43,329.96 and 13,125.72 is: 19,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.66 : 43,329.96 = 13,125.72 : x
  2. Step 2: Convert to fraction form
    28,908.66/43,329.96 = 13,125.72/x
  3. Step 3: Cross multiply
    28,908.66x = 43,329.96 × 13,125.72
  4. Step 4: Simplify right side
    28,908.66x = 568,736,922.57
  5. Step 5: Solve for x
    x = 568,736,922.57/28,908.66
  6. Step 6: Final answer
    x = 19,673.58

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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.