Home / 21,835.70-32,734.08-10,142.54

Finding the Fourth Proportional to 21,835.70, 32,734.08 and 10,142.54

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Solution

The fourth proportional to 21,835.70, 32,734.08 and 10,142.54 is: 15,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.70 : 32,734.08 = 10,142.54 : x
  2. Step 2: Convert to fraction form
    21,835.70/32,734.08 = 10,142.54/x
  3. Step 3: Cross multiply
    21,835.70x = 32,734.08 × 10,142.54
  4. Step 4: Simplify right side
    21,835.70x = 332,006,715.76
  5. Step 5: Solve for x
    x = 332,006,715.76/21,835.70
  6. Step 6: Final answer
    x = 15,204.77

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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.