Home / 28,809.53-43,213.47-15,744.65

Finding the Fourth Proportional to 28,809.53, 43,213.47 and 15,744.65

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Solution

The fourth proportional to 28,809.53, 43,213.47 and 15,744.65 is: 23,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.53 : 43,213.47 = 15,744.65 : x
  2. Step 2: Convert to fraction form
    28,809.53/43,213.47 = 15,744.65/x
  3. Step 3: Cross multiply
    28,809.53x = 43,213.47 × 15,744.65
  4. Step 4: Simplify right side
    28,809.53x = 680,380,960.44
  5. Step 5: Solve for x
    x = 680,380,960.44/28,809.53
  6. Step 6: Final answer
    x = 23,616.52

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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.