Home / 27,631.76-41,412.78-11,818.08

Finding the Fourth Proportional to 27,631.76, 41,412.78 and 11,818.08

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Solution

The fourth proportional to 27,631.76, 41,412.78 and 11,818.08 is: 17,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.76 : 41,412.78 = 11,818.08 : x
  2. Step 2: Convert to fraction form
    27,631.76/41,412.78 = 11,818.08/x
  3. Step 3: Cross multiply
    27,631.76x = 41,412.78 × 11,818.08
  4. Step 4: Simplify right side
    27,631.76x = 489,419,547.06
  5. Step 5: Solve for x
    x = 489,419,547.06/27,631.76
  6. Step 6: Final answer
    x = 17,712.21

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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.