Home / 28,068.97-38,734.21-16,732.61

Finding the Fourth Proportional to 28,068.97, 38,734.21 and 16,732.61

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Solution

The fourth proportional to 28,068.97, 38,734.21 and 16,732.61 is: 23,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.97 : 38,734.21 = 16,732.61 : x
  2. Step 2: Convert to fraction form
    28,068.97/38,734.21 = 16,732.61/x
  3. Step 3: Cross multiply
    28,068.97x = 38,734.21 × 16,732.61
  4. Step 4: Simplify right side
    28,068.97x = 648,124,484.59
  5. Step 5: Solve for x
    x = 648,124,484.59/28,068.97
  6. Step 6: Final answer
    x = 23,090.43

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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.