Home / 26,200.10-39,300.15-21,016.10

Finding the Fourth Proportional to 26,200.10, 39,300.15 and 21,016.10

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Solution

The fourth proportional to 26,200.10, 39,300.15 and 21,016.10 is: 31,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,200.10 : 39,300.15 = 21,016.10 : x
  2. Step 2: Convert to fraction form
    26,200.10/39,300.15 = 21,016.10/x
  3. Step 3: Cross multiply
    26,200.10x = 39,300.15 × 21,016.10
  4. Step 4: Simplify right side
    26,200.10x = 825,935,882.42
  5. Step 5: Solve for x
    x = 825,935,882.42/26,200.10
  6. Step 6: Final answer
    x = 31,524.15

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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.