Home / 28,922.80-43,398.60-16,452.40

Finding the Fourth Proportional to 28,922.80, 43,398.60 and 16,452.40

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Solution

The fourth proportional to 28,922.80, 43,398.60 and 16,452.40 is: 24,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,922.80 : 43,398.60 = 16,452.40 : x
  2. Step 2: Convert to fraction form
    28,922.80/43,398.60 = 16,452.40/x
  3. Step 3: Cross multiply
    28,922.80x = 43,398.60 × 16,452.40
  4. Step 4: Simplify right side
    28,922.80x = 714,011,126.64
  5. Step 5: Solve for x
    x = 714,011,126.64/28,922.80
  6. Step 6: Final answer
    x = 24,686.79

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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.