Home / 27,611.51-41,427.05-11,809.89

Finding the Fourth Proportional to 27,611.51, 41,427.05 and 11,809.89

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Solution

The fourth proportional to 27,611.51, 41,427.05 and 11,809.89 is: 17,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611.51 : 41,427.05 = 11,809.89 : x
  2. Step 2: Convert to fraction form
    27,611.51/41,427.05 = 11,809.89/x
  3. Step 3: Cross multiply
    27,611.51x = 41,427.05 × 11,809.89
  4. Step 4: Simplify right side
    27,611.51x = 489,248,844.48
  5. Step 5: Solve for x
    x = 489,248,844.48/27,611.51
  6. Step 6: Final answer
    x = 17,719.02

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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.