Home / 28,036.26-38,689.59-16,100.10

Finding the Fourth Proportional to 28,036.26, 38,689.59 and 16,100.10

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Solution

The fourth proportional to 28,036.26, 38,689.59 and 16,100.10 is: 22,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.26 : 38,689.59 = 16,100.10 : x
  2. Step 2: Convert to fraction form
    28,036.26/38,689.59 = 16,100.10/x
  3. Step 3: Cross multiply
    28,036.26x = 38,689.59 × 16,100.10
  4. Step 4: Simplify right side
    28,036.26x = 622,906,267.96
  5. Step 5: Solve for x
    x = 622,906,267.96/28,036.26
  6. Step 6: Final answer
    x = 22,217.88

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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.