Home / 28,060.68-38,706.66-16,722.72

Finding the Fourth Proportional to 28,060.68, 38,706.66 and 16,722.72

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Solution

The fourth proportional to 28,060.68, 38,706.66 and 16,722.72 is: 23,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.68 : 38,706.66 = 16,722.72 : x
  2. Step 2: Convert to fraction form
    28,060.68/38,706.66 = 16,722.72/x
  3. Step 3: Cross multiply
    28,060.68x = 38,706.66 × 16,722.72
  4. Step 4: Simplify right side
    28,060.68x = 647,280,637.32
  5. Step 5: Solve for x
    x = 647,280,637.32/28,060.68
  6. Step 6: Final answer
    x = 23,067.18

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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.