Home / 20,629.99-28,359.92-17,748.19

Finding the Fourth Proportional to 20,629.99, 28,359.92 and 17,748.19

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Solution

The fourth proportional to 20,629.99, 28,359.92 and 17,748.19 is: 24,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.99 : 28,359.92 = 17,748.19 : x
  2. Step 2: Convert to fraction form
    20,629.99/28,359.92 = 17,748.19/x
  3. Step 3: Cross multiply
    20,629.99x = 28,359.92 × 17,748.19
  4. Step 4: Simplify right side
    20,629.99x = 503,337,159.80
  5. Step 5: Solve for x
    x = 503,337,159.80/20,629.99
  6. Step 6: Final answer
    x = 24,398.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.