Home / 28,036.53-38,689.11-16,091.46

Finding the Fourth Proportional to 28,036.53, 38,689.11 and 16,091.46

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Solution

The fourth proportional to 28,036.53, 38,689.11 and 16,091.46 is: 22,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.53 : 38,689.11 = 16,091.46 : x
  2. Step 2: Convert to fraction form
    28,036.53/38,689.11 = 16,091.46/x
  3. Step 3: Cross multiply
    28,036.53x = 38,689.11 × 16,091.46
  4. Step 4: Simplify right side
    28,036.53x = 622,564,266.00
  5. Step 5: Solve for x
    x = 622,564,266.00/28,036.53
  6. Step 6: Final answer
    x = 22,205.47

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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.