Home / 28,637.28-39,521.97-16,701.75

Finding the Fourth Proportional to 28,637.28, 39,521.97 and 16,701.75

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Solution

The fourth proportional to 28,637.28, 39,521.97 and 16,701.75 is: 23,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.28 : 39,521.97 = 16,701.75 : x
  2. Step 2: Convert to fraction form
    28,637.28/39,521.97 = 16,701.75/x
  3. Step 3: Cross multiply
    28,637.28x = 39,521.97 × 16,701.75
  4. Step 4: Simplify right side
    28,637.28x = 660,086,062.45
  5. Step 5: Solve for x
    x = 660,086,062.45/28,637.28
  6. Step 6: Final answer
    x = 23,049.89

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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.