Home / 27,135.02-37,484.07-20,471.96

Finding the Fourth Proportional to 27,135.02, 37,484.07 and 20,471.96

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Solution

The fourth proportional to 27,135.02, 37,484.07 and 20,471.96 is: 28,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.02 : 37,484.07 = 20,471.96 : x
  2. Step 2: Convert to fraction form
    27,135.02/37,484.07 = 20,471.96/x
  3. Step 3: Cross multiply
    27,135.02x = 37,484.07 × 20,471.96
  4. Step 4: Simplify right side
    27,135.02x = 767,372,398.62
  5. Step 5: Solve for x
    x = 767,372,398.62/27,135.02
  6. Step 6: Final answer
    x = 28,279.78

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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.