Home / 26,136.83-36,057.21-15,520.30

Finding the Fourth Proportional to 26,136.83, 36,057.21 and 15,520.30

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Solution

The fourth proportional to 26,136.83, 36,057.21 and 15,520.30 is: 21,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.83 : 36,057.21 = 15,520.30 : x
  2. Step 2: Convert to fraction form
    26,136.83/36,057.21 = 15,520.30/x
  3. Step 3: Cross multiply
    26,136.83x = 36,057.21 × 15,520.30
  4. Step 4: Simplify right side
    26,136.83x = 559,618,716.36
  5. Step 5: Solve for x
    x = 559,618,716.36/26,136.83
  6. Step 6: Final answer
    x = 21,411.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.