Home / 19,540.14-26,965.28-10,587.81

Finding the Fourth Proportional to 19,540.14, 26,965.28 and 10,587.81

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Solution

The fourth proportional to 19,540.14, 26,965.28 and 10,587.81 is: 14,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.14 : 26,965.28 = 10,587.81 : x
  2. Step 2: Convert to fraction form
    19,540.14/26,965.28 = 10,587.81/x
  3. Step 3: Cross multiply
    19,540.14x = 26,965.28 × 10,587.81
  4. Step 4: Simplify right side
    19,540.14x = 285,503,208.30
  5. Step 5: Solve for x
    x = 285,503,208.30/19,540.14
  6. Step 6: Final answer
    x = 14,611.11

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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.