Home / 28,407.30-39,204.99-17,080.49

Finding the Fourth Proportional to 28,407.30, 39,204.99 and 17,080.49

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Solution

The fourth proportional to 28,407.30, 39,204.99 and 17,080.49 is: 23,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.30 : 39,204.99 = 17,080.49 : x
  2. Step 2: Convert to fraction form
    28,407.30/39,204.99 = 17,080.49/x
  3. Step 3: Cross multiply
    28,407.30x = 39,204.99 × 17,080.49
  4. Step 4: Simplify right side
    28,407.30x = 669,640,439.65
  5. Step 5: Solve for x
    x = 669,640,439.65/28,407.30
  6. Step 6: Final answer
    x = 23,572.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.