Home / 21,276.01-31,933.70-10,753.44

Finding the Fourth Proportional to 21,276.01, 31,933.70 and 10,753.44

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Solution

The fourth proportional to 21,276.01, 31,933.70 and 10,753.44 is: 16,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276.01 : 31,933.70 = 10,753.44 : x
  2. Step 2: Convert to fraction form
    21,276.01/31,933.70 = 10,753.44/x
  3. Step 3: Cross multiply
    21,276.01x = 31,933.70 × 10,753.44
  4. Step 4: Simplify right side
    21,276.01x = 343,397,126.93
  5. Step 5: Solve for x
    x = 343,397,126.93/21,276.01
  6. Step 6: Final answer
    x = 16,140.11

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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.