Home / 27,540.60-38,012.94-15,611.06

Finding the Fourth Proportional to 27,540.60, 38,012.94 and 15,611.06

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Solution

The fourth proportional to 27,540.60, 38,012.94 and 15,611.06 is: 21,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.60 : 38,012.94 = 15,611.06 : x
  2. Step 2: Convert to fraction form
    27,540.60/38,012.94 = 15,611.06/x
  3. Step 3: Cross multiply
    27,540.60x = 38,012.94 × 15,611.06
  4. Step 4: Simplify right side
    27,540.60x = 593,422,097.05
  5. Step 5: Solve for x
    x = 593,422,097.05/27,540.60
  6. Step 6: Final answer
    x = 21,547.17

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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.