Home / 27,380.55-37,785.17-14,805.30

Finding the Fourth Proportional to 27,380.55, 37,785.17 and 14,805.30

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Solution

The fourth proportional to 27,380.55, 37,785.17 and 14,805.30 is: 20,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.55 : 37,785.17 = 14,805.30 : x
  2. Step 2: Convert to fraction form
    27,380.55/37,785.17 = 14,805.30/x
  3. Step 3: Cross multiply
    27,380.55x = 37,785.17 × 14,805.30
  4. Step 4: Simplify right side
    27,380.55x = 559,420,777.40
  5. Step 5: Solve for x
    x = 559,420,777.40/27,380.55
  6. Step 6: Final answer
    x = 20,431.32

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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.