Home / 21,725.79-32,595.98-6,936.81

Finding the Fourth Proportional to 21,725.79, 32,595.98 and 6,936.81

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Solution

The fourth proportional to 21,725.79, 32,595.98 and 6,936.81 is: 10,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.79 : 32,595.98 = 6,936.81 : x
  2. Step 2: Convert to fraction form
    21,725.79/32,595.98 = 6,936.81/x
  3. Step 3: Cross multiply
    21,725.79x = 32,595.98 × 6,936.81
  4. Step 4: Simplify right side
    21,725.79x = 226,112,085.34
  5. Step 5: Solve for x
    x = 226,112,085.34/21,725.79
  6. Step 6: Final answer
    x = 10,407.54

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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.