Home / 20,593.13-28,341.90-16,979.18

Finding the Fourth Proportional to 20,593.13, 28,341.90 and 16,979.18

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Solution

The fourth proportional to 20,593.13, 28,341.90 and 16,979.18 is: 23,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593.13 : 28,341.90 = 16,979.18 : x
  2. Step 2: Convert to fraction form
    20,593.13/28,341.90 = 16,979.18/x
  3. Step 3: Cross multiply
    20,593.13x = 28,341.90 × 16,979.18
  4. Step 4: Simplify right side
    20,593.13x = 481,222,079.93
  5. Step 5: Solve for x
    x = 481,222,079.93/20,593.13
  6. Step 6: Final answer
    x = 23,368.09

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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.