Home / 26,136.09-36,070.89-15,525.75

Finding the Fourth Proportional to 26,136.09, 36,070.89 and 15,525.75

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Solution

The fourth proportional to 26,136.09, 36,070.89 and 15,525.75 is: 21,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.09 : 36,070.89 = 15,525.75 : x
  2. Step 2: Convert to fraction form
    26,136.09/36,070.89 = 15,525.75/x
  3. Step 3: Cross multiply
    26,136.09x = 36,070.89 × 15,525.75
  4. Step 4: Simplify right side
    26,136.09x = 560,027,620.42
  5. Step 5: Solve for x
    x = 560,027,620.42/26,136.09
  6. Step 6: Final answer
    x = 21,427.37

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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.