Home / 21,423.76-32,156.39-10,338.23

Finding the Fourth Proportional to 21,423.76, 32,156.39 and 10,338.23

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Solution

The fourth proportional to 21,423.76, 32,156.39 and 10,338.23 is: 15,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423.76 : 32,156.39 = 10,338.23 : x
  2. Step 2: Convert to fraction form
    21,423.76/32,156.39 = 10,338.23/x
  3. Step 3: Cross multiply
    21,423.76x = 32,156.39 × 10,338.23
  4. Step 4: Simplify right side
    21,423.76x = 332,440,262.03
  5. Step 5: Solve for x
    x = 332,440,262.03/21,423.76
  6. Step 6: Final answer
    x = 15,517.36

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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.