Home / 28,764.87-43,132.59-13,169.13

Finding the Fourth Proportional to 28,764.87, 43,132.59 and 13,169.13

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Solution

The fourth proportional to 28,764.87, 43,132.59 and 13,169.13 is: 19,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.87 : 43,132.59 = 13,169.13 : x
  2. Step 2: Convert to fraction form
    28,764.87/43,132.59 = 13,169.13/x
  3. Step 3: Cross multiply
    28,764.87x = 43,132.59 × 13,169.13
  4. Step 4: Simplify right side
    28,764.87x = 568,018,684.95
  5. Step 5: Solve for x
    x = 568,018,684.95/28,764.87
  6. Step 6: Final answer
    x = 19,746.96

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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.