Home / 28,881.92-39,859.72-17,548.80

Finding the Fourth Proportional to 28,881.92, 39,859.72 and 17,548.80

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Solution

The fourth proportional to 28,881.92, 39,859.72 and 17,548.80 is: 24,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.92 : 39,859.72 = 17,548.80 : x
  2. Step 2: Convert to fraction form
    28,881.92/39,859.72 = 17,548.80/x
  3. Step 3: Cross multiply
    28,881.92x = 39,859.72 × 17,548.80
  4. Step 4: Simplify right side
    28,881.92x = 699,490,254.34
  5. Step 5: Solve for x
    x = 699,490,254.34/28,881.92
  6. Step 6: Final answer
    x = 24,218.97

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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.