Home / 26,624.08-39,882.64-13,256.80

Finding the Fourth Proportional to 26,624.08, 39,882.64 and 13,256.80

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Solution

The fourth proportional to 26,624.08, 39,882.64 and 13,256.80 is: 19,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,624.08 : 39,882.64 = 13,256.80 : x
  2. Step 2: Convert to fraction form
    26,624.08/39,882.64 = 13,256.80/x
  3. Step 3: Cross multiply
    26,624.08x = 39,882.64 × 13,256.80
  4. Step 4: Simplify right side
    26,624.08x = 528,716,181.95
  5. Step 5: Solve for x
    x = 528,716,181.95/26,624.08
  6. Step 6: Final answer
    x = 19,858.57

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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.