Home / 20,327.29-27,989.35-17,795.23

Finding the Fourth Proportional to 20,327.29, 27,989.35 and 17,795.23

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Solution

The fourth proportional to 20,327.29, 27,989.35 and 17,795.23 is: 24,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.29 : 27,989.35 = 17,795.23 : x
  2. Step 2: Convert to fraction form
    20,327.29/27,989.35 = 17,795.23/x
  3. Step 3: Cross multiply
    20,327.29x = 27,989.35 × 17,795.23
  4. Step 4: Simplify right side
    20,327.29x = 498,076,920.80
  5. Step 5: Solve for x
    x = 498,076,920.80/20,327.29
  6. Step 6: Final answer
    x = 24,502.87

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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.