Home / 28,660.88-39,552.01-16,085.63

Finding the Fourth Proportional to 28,660.88, 39,552.01 and 16,085.63

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Solution

The fourth proportional to 28,660.88, 39,552.01 and 16,085.63 is: 22,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,660.88 : 39,552.01 = 16,085.63 : x
  2. Step 2: Convert to fraction form
    28,660.88/39,552.01 = 16,085.63/x
  3. Step 3: Cross multiply
    28,660.88x = 39,552.01 × 16,085.63
  4. Step 4: Simplify right side
    28,660.88x = 636,218,760.64
  5. Step 5: Solve for x
    x = 636,218,760.64/28,660.88
  6. Step 6: Final answer
    x = 22,198.16

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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.