Home / 23,989.80-33,105.20-13,381.23

Finding the Fourth Proportional to 23,989.80, 33,105.20 and 13,381.23

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Solution

The fourth proportional to 23,989.80, 33,105.20 and 13,381.23 is: 18,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.80 : 33,105.20 = 13,381.23 : x
  2. Step 2: Convert to fraction form
    23,989.80/33,105.20 = 13,381.23/x
  3. Step 3: Cross multiply
    23,989.80x = 33,105.20 × 13,381.23
  4. Step 4: Simplify right side
    23,989.80x = 442,988,228.49
  5. Step 5: Solve for x
    x = 442,988,228.49/23,989.80
  6. Step 6: Final answer
    x = 18,465.69

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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.