Home / 28,032.83-38,694.67-16,705.88

Finding the Fourth Proportional to 28,032.83, 38,694.67 and 16,705.88

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Solution

The fourth proportional to 28,032.83, 38,694.67 and 16,705.88 is: 23,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.83 : 38,694.67 = 16,705.88 : x
  2. Step 2: Convert to fraction form
    28,032.83/38,694.67 = 16,705.88/x
  3. Step 3: Cross multiply
    28,032.83x = 38,694.67 × 16,705.88
  4. Step 4: Simplify right side
    28,032.83x = 646,428,513.66
  5. Step 5: Solve for x
    x = 646,428,513.66/28,032.83
  6. Step 6: Final answer
    x = 23,059.70

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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.