Home / 27,093.86-37,399.56-20,398.91

Finding the Fourth Proportional to 27,093.86, 37,399.56 and 20,398.91

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Solution

The fourth proportional to 27,093.86, 37,399.56 and 20,398.91 is: 28,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.86 : 37,399.56 = 20,398.91 : x
  2. Step 2: Convert to fraction form
    27,093.86/37,399.56 = 20,398.91/x
  3. Step 3: Cross multiply
    27,093.86x = 37,399.56 × 20,398.91
  4. Step 4: Simplify right side
    27,093.86x = 762,909,994.99
  5. Step 5: Solve for x
    x = 762,909,994.99/27,093.86
  6. Step 6: Final answer
    x = 28,158.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.