Home / 27,380.63-37,785.19-14,805.38

Finding the Fourth Proportional to 27,380.63, 37,785.19 and 14,805.38

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Solution

The fourth proportional to 27,380.63, 37,785.19 and 14,805.38 is: 20,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.63 : 37,785.19 = 14,805.38 : x
  2. Step 2: Convert to fraction form
    27,380.63/37,785.19 = 14,805.38/x
  3. Step 3: Cross multiply
    27,380.63x = 37,785.19 × 14,805.38
  4. Step 4: Simplify right side
    27,380.63x = 559,424,096.32
  5. Step 5: Solve for x
    x = 559,424,096.32/27,380.63
  6. Step 6: Final answer
    x = 20,431.38

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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.