Home / 28,924.80-43,401.60-16,454.40

Finding the Fourth Proportional to 28,924.80, 43,401.60 and 16,454.40

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Solution

The fourth proportional to 28,924.80, 43,401.60 and 16,454.40 is: 24,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.80 : 43,401.60 = 16,454.40 : x
  2. Step 2: Convert to fraction form
    28,924.80/43,401.60 = 16,454.40/x
  3. Step 3: Cross multiply
    28,924.80x = 43,401.60 × 16,454.40
  4. Step 4: Simplify right side
    28,924.80x = 714,147,287.04
  5. Step 5: Solve for x
    x = 714,147,287.04/28,924.80
  6. Step 6: Final answer
    x = 24,689.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.