Home / 36,685.40-55,027.46-11,725.28

Finding the Fourth Proportional to 36,685.40, 55,027.46 and 11,725.28

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Solution

The fourth proportional to 36,685.40, 55,027.46 and 11,725.28 is: 17,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.40 : 55,027.46 = 11,725.28 : x
  2. Step 2: Convert to fraction form
    36,685.40/55,027.46 = 11,725.28/x
  3. Step 3: Cross multiply
    36,685.40x = 55,027.46 × 11,725.28
  4. Step 4: Simplify right side
    36,685.40x = 645,212,376.19
  5. Step 5: Solve for x
    x = 645,212,376.19/36,685.40
  6. Step 6: Final answer
    x = 17,587.72

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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.