Home / 27,925.86-41,788.45-20,511.93

Finding the Fourth Proportional to 27,925.86, 41,788.45 and 20,511.93

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Solution

The fourth proportional to 27,925.86, 41,788.45 and 20,511.93 is: 30,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.86 : 41,788.45 = 20,511.93 : x
  2. Step 2: Convert to fraction form
    27,925.86/41,788.45 = 20,511.93/x
  3. Step 3: Cross multiply
    27,925.86x = 41,788.45 × 20,511.93
  4. Step 4: Simplify right side
    27,925.86x = 857,161,761.21
  5. Step 5: Solve for x
    x = 857,161,761.21/27,925.86
  6. Step 6: Final answer
    x = 30,694.19

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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.