Home / 20,565.96-30,845.05-10,025.39

Finding the Fourth Proportional to 20,565.96, 30,845.05 and 10,025.39

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Solution

The fourth proportional to 20,565.96, 30,845.05 and 10,025.39 is: 15,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.96 : 30,845.05 = 10,025.39 : x
  2. Step 2: Convert to fraction form
    20,565.96/30,845.05 = 10,025.39/x
  3. Step 3: Cross multiply
    20,565.96x = 30,845.05 × 10,025.39
  4. Step 4: Simplify right side
    20,565.96x = 309,233,707.87
  5. Step 5: Solve for x
    x = 309,233,707.87/20,565.96
  6. Step 6: Final answer
    x = 15,036.19

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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.