Home / 20,732.26-28,587.90-14,006.21

Finding the Fourth Proportional to 20,732.26, 28,587.90 and 14,006.21

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Solution

The fourth proportional to 20,732.26, 28,587.90 and 14,006.21 is: 19,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.26 : 28,587.90 = 14,006.21 : x
  2. Step 2: Convert to fraction form
    20,732.26/28,587.90 = 14,006.21/x
  3. Step 3: Cross multiply
    20,732.26x = 28,587.90 × 14,006.21
  4. Step 4: Simplify right side
    20,732.26x = 400,407,987.92
  5. Step 5: Solve for x
    x = 400,407,987.92/20,732.26
  6. Step 6: Final answer
    x = 19,313.29

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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.