Home / 25,623.86-38,447.31-13,919.54

Finding the Fourth Proportional to 25,623.86, 38,447.31 and 13,919.54

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Solution

The fourth proportional to 25,623.86, 38,447.31 and 13,919.54 is: 20,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.86 : 38,447.31 = 13,919.54 : x
  2. Step 2: Convert to fraction form
    25,623.86/38,447.31 = 13,919.54/x
  3. Step 3: Cross multiply
    25,623.86x = 38,447.31 × 13,919.54
  4. Step 4: Simplify right side
    25,623.86x = 535,168,869.44
  5. Step 5: Solve for x
    x = 535,168,869.44/25,623.86
  6. Step 6: Final answer
    x = 20,885.57

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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.