Home / 28,036.68-38,695.08-16,706.76

Finding the Fourth Proportional to 28,036.68, 38,695.08 and 16,706.76

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Solution

The fourth proportional to 28,036.68, 38,695.08 and 16,706.76 is: 23,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.68 : 38,695.08 = 16,706.76 : x
  2. Step 2: Convert to fraction form
    28,036.68/38,695.08 = 16,706.76/x
  3. Step 3: Cross multiply
    28,036.68x = 38,695.08 × 16,706.76
  4. Step 4: Simplify right side
    28,036.68x = 646,469,414.74
  5. Step 5: Solve for x
    x = 646,469,414.74/28,036.68
  6. Step 6: Final answer
    x = 23,057.99

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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.