Home / 26,530.20-39,737.70-21,922.20

Finding the Fourth Proportional to 26,530.20, 39,737.70 and 21,922.20

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Solution

The fourth proportional to 26,530.20, 39,737.70 and 21,922.20 is: 32,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.20 : 39,737.70 = 21,922.20 : x
  2. Step 2: Convert to fraction form
    26,530.20/39,737.70 = 21,922.20/x
  3. Step 3: Cross multiply
    26,530.20x = 39,737.70 × 21,922.20
  4. Step 4: Simplify right side
    26,530.20x = 871,137,806.94
  5. Step 5: Solve for x
    x = 871,137,806.94/26,530.20
  6. Step 6: Final answer
    x = 32,835.70

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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.