Home / 20,727.23-28,580.99-14,001.18

Finding the Fourth Proportional to 20,727.23, 28,580.99 and 14,001.18

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Solution

The fourth proportional to 20,727.23, 28,580.99 and 14,001.18 is: 19,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.23 : 28,580.99 = 14,001.18 : x
  2. Step 2: Convert to fraction form
    20,727.23/28,580.99 = 14,001.18/x
  3. Step 3: Cross multiply
    20,727.23x = 28,580.99 × 14,001.18
  4. Step 4: Simplify right side
    20,727.23x = 400,167,408.38
  5. Step 5: Solve for x
    x = 400,167,408.38/20,727.23
  6. Step 6: Final answer
    x = 19,306.37

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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.