Home / 26,349.12-39,479.04-15,939

Finding the Fourth Proportional to 26,349.12, 39,479.04 and 15,939

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Solution

The fourth proportional to 26,349.12, 39,479.04 and 15,939 is: 23,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.12 : 39,479.04 = 15,939 : x
  2. Step 2: Convert to fraction form
    26,349.12/39,479.04 = 15,939/x
  3. Step 3: Cross multiply
    26,349.12x = 39,479.04 × 15,939
  4. Step 4: Simplify right side
    26,349.12x = 629,256,418.56
  5. Step 5: Solve for x
    x = 629,256,418.56/26,349.12
  6. Step 6: Final answer
    x = 23,881.50

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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.