Home / 26,438.30-39,661.10-15,350.21

Finding the Fourth Proportional to 26,438.30, 39,661.10 and 15,350.21

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Solution

The fourth proportional to 26,438.30, 39,661.10 and 15,350.21 is: 23,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,438.30 : 39,661.10 = 15,350.21 : x
  2. Step 2: Convert to fraction form
    26,438.30/39,661.10 = 15,350.21/x
  3. Step 3: Cross multiply
    26,438.30x = 39,661.10 × 15,350.21
  4. Step 4: Simplify right side
    26,438.30x = 608,806,213.83
  5. Step 5: Solve for x
    x = 608,806,213.83/26,438.30
  6. Step 6: Final answer
    x = 23,027.43

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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.