Home / 28,956.47-39,957.72-16,206.73

Finding the Fourth Proportional to 28,956.47, 39,957.72 and 16,206.73

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Solution

The fourth proportional to 28,956.47, 39,957.72 and 16,206.73 is: 22,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.47 : 39,957.72 = 16,206.73 : x
  2. Step 2: Convert to fraction form
    28,956.47/39,957.72 = 16,206.73/x
  3. Step 3: Cross multiply
    28,956.47x = 39,957.72 × 16,206.73
  4. Step 4: Simplify right side
    28,956.47x = 647,584,168.90
  5. Step 5: Solve for x
    x = 647,584,168.90/28,956.47
  6. Step 6: Final answer
    x = 22,364.06

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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.