Home / 27,625.93-38,122.76-16,888.79

Finding the Fourth Proportional to 27,625.93, 38,122.76 and 16,888.79

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Solution

The fourth proportional to 27,625.93, 38,122.76 and 16,888.79 is: 23,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.93 : 38,122.76 = 16,888.79 : x
  2. Step 2: Convert to fraction form
    27,625.93/38,122.76 = 16,888.79/x
  3. Step 3: Cross multiply
    27,625.93x = 38,122.76 × 16,888.79
  4. Step 4: Simplify right side
    27,625.93x = 643,847,425.39
  5. Step 5: Solve for x
    x = 643,847,425.39/27,625.93
  6. Step 6: Final answer
    x = 23,305.91

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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.