Home / 28,881.72-39,844.98-17,551.44

Finding the Fourth Proportional to 28,881.72, 39,844.98 and 17,551.44

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Solution

The fourth proportional to 28,881.72, 39,844.98 and 17,551.44 is: 24,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.72 : 39,844.98 = 17,551.44 : x
  2. Step 2: Convert to fraction form
    28,881.72/39,844.98 = 17,551.44/x
  3. Step 3: Cross multiply
    28,881.72x = 39,844.98 × 17,551.44
  4. Step 4: Simplify right side
    28,881.72x = 699,336,775.77
  5. Step 5: Solve for x
    x = 699,336,775.77/28,881.72
  6. Step 6: Final answer
    x = 24,213.82

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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.