Home / 26,489.03-39,728.07-13,148.33

Finding the Fourth Proportional to 26,489.03, 39,728.07 and 13,148.33

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Solution

The fourth proportional to 26,489.03, 39,728.07 and 13,148.33 is: 19,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.03 : 39,728.07 = 13,148.33 : x
  2. Step 2: Convert to fraction form
    26,489.03/39,728.07 = 13,148.33/x
  3. Step 3: Cross multiply
    26,489.03x = 39,728.07 × 13,148.33
  4. Step 4: Simplify right side
    26,489.03x = 522,357,575.98
  5. Step 5: Solve for x
    x = 522,357,575.98/26,489.03
  6. Step 6: Final answer
    x = 19,719.77

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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.