Home / 27,380.40-37,784.94-14,805.12

Finding the Fourth Proportional to 27,380.40, 37,784.94 and 14,805.12

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Solution

The fourth proportional to 27,380.40, 37,784.94 and 14,805.12 is: 20,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.40 : 37,784.94 = 14,805.12 : x
  2. Step 2: Convert to fraction form
    27,380.40/37,784.94 = 14,805.12/x
  3. Step 3: Cross multiply
    27,380.40x = 37,784.94 × 14,805.12
  4. Step 4: Simplify right side
    27,380.40x = 559,410,570.89
  5. Step 5: Solve for x
    x = 559,410,570.89/27,380.40
  6. Step 6: Final answer
    x = 20,431.06

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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.