Home / 20,693.49-28,565.68-17,523.20

Finding the Fourth Proportional to 20,693.49, 28,565.68 and 17,523.20

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Solution

The fourth proportional to 20,693.49, 28,565.68 and 17,523.20 is: 24,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.49 : 28,565.68 = 17,523.20 : x
  2. Step 2: Convert to fraction form
    20,693.49/28,565.68 = 17,523.20/x
  3. Step 3: Cross multiply
    20,693.49x = 28,565.68 × 17,523.20
  4. Step 4: Simplify right side
    20,693.49x = 500,561,937.14
  5. Step 5: Solve for x
    x = 500,561,937.14/20,693.49
  6. Step 6: Final answer
    x = 24,189.34

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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.