Home / 26,869.92-40,261.14-21,293.16

Finding the Fourth Proportional to 26,869.92, 40,261.14 and 21,293.16

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Solution

The fourth proportional to 26,869.92, 40,261.14 and 21,293.16 is: 31,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.92 : 40,261.14 = 21,293.16 : x
  2. Step 2: Convert to fraction form
    26,869.92/40,261.14 = 21,293.16/x
  3. Step 3: Cross multiply
    26,869.92x = 40,261.14 × 21,293.16
  4. Step 4: Simplify right side
    26,869.92x = 857,286,895.80
  5. Step 5: Solve for x
    x = 857,286,895.80/26,869.92
  6. Step 6: Final answer
    x = 31,905.08

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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.