Home / 27,360.20-37,761.48-20,653.40

Finding the Fourth Proportional to 27,360.20, 37,761.48 and 20,653.40

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Solution

The fourth proportional to 27,360.20, 37,761.48 and 20,653.40 is: 28,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.20 : 37,761.48 = 20,653.40 : x
  2. Step 2: Convert to fraction form
    27,360.20/37,761.48 = 20,653.40/x
  3. Step 3: Cross multiply
    27,360.20x = 37,761.48 × 20,653.40
  4. Step 4: Simplify right side
    27,360.20x = 779,902,951.03
  5. Step 5: Solve for x
    x = 779,902,951.03/27,360.20
  6. Step 6: Final answer
    x = 28,505.02

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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.