Home / 21,725.48-32,588.78-6,934.37

Finding the Fourth Proportional to 21,725.48, 32,588.78 and 6,934.37

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Solution

The fourth proportional to 21,725.48, 32,588.78 and 6,934.37 is: 10,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.48 : 32,588.78 = 6,934.37 : x
  2. Step 2: Convert to fraction form
    21,725.48/32,588.78 = 6,934.37/x
  3. Step 3: Cross multiply
    21,725.48x = 32,588.78 × 6,934.37
  4. Step 4: Simplify right side
    21,725.48x = 225,982,757.18
  5. Step 5: Solve for x
    x = 225,982,757.18/21,725.48
  6. Step 6: Final answer
    x = 10,401.74

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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.