Home / 17,872.40-24,639.72-15,073.04

Finding the Fourth Proportional to 17,872.40, 24,639.72 and 15,073.04

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Solution

The fourth proportional to 17,872.40, 24,639.72 and 15,073.04 is: 20,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.40 : 24,639.72 = 15,073.04 : x
  2. Step 2: Convert to fraction form
    17,872.40/24,639.72 = 15,073.04/x
  3. Step 3: Cross multiply
    17,872.40x = 24,639.72 × 15,073.04
  4. Step 4: Simplify right side
    17,872.40x = 371,395,485.15
  5. Step 5: Solve for x
    x = 371,395,485.15/17,872.40
  6. Step 6: Final answer
    x = 20,780.39

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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.