Home / 27,888.39-41,832.61-7,111.89

Finding the Fourth Proportional to 27,888.39, 41,832.61 and 7,111.89

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Solution

The fourth proportional to 27,888.39, 41,832.61 and 7,111.89 is: 10,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.39 : 41,832.61 = 7,111.89 : x
  2. Step 2: Convert to fraction form
    27,888.39/41,832.61 = 7,111.89/x
  3. Step 3: Cross multiply
    27,888.39x = 41,832.61 × 7,111.89
  4. Step 4: Simplify right side
    27,888.39x = 297,508,902.95
  5. Step 5: Solve for x
    x = 297,508,902.95/27,888.39
  6. Step 6: Final answer
    x = 10,667.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.