Home / 28,021.32-38,687.42-17,425.36

Finding the Fourth Proportional to 28,021.32, 38,687.42 and 17,425.36

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Solution

The fourth proportional to 28,021.32, 38,687.42 and 17,425.36 is: 24,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.32 : 38,687.42 = 17,425.36 : x
  2. Step 2: Convert to fraction form
    28,021.32/38,687.42 = 17,425.36/x
  3. Step 3: Cross multiply
    28,021.32x = 38,687.42 × 17,425.36
  4. Step 4: Simplify right side
    28,021.32x = 674,142,220.97
  5. Step 5: Solve for x
    x = 674,142,220.97/28,021.32
  6. Step 6: Final answer
    x = 24,058.19

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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.