Home / 20,255.38-30,398.43-14,058.82

Finding the Fourth Proportional to 20,255.38, 30,398.43 and 14,058.82

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Solution

The fourth proportional to 20,255.38, 30,398.43 and 14,058.82 is: 21,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.38 : 30,398.43 = 14,058.82 : x
  2. Step 2: Convert to fraction form
    20,255.38/30,398.43 = 14,058.82/x
  3. Step 3: Cross multiply
    20,255.38x = 30,398.43 × 14,058.82
  4. Step 4: Simplify right side
    20,255.38x = 427,366,055.65
  5. Step 5: Solve for x
    x = 427,366,055.65/20,255.38
  6. Step 6: Final answer
    x = 21,098.89

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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.