Home / 27,380.37-37,784.93-14,805.12

Finding the Fourth Proportional to 27,380.37, 37,784.93 and 14,805.12

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Solution

The fourth proportional to 27,380.37, 37,784.93 and 14,805.12 is: 20,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.37 : 37,784.93 = 14,805.12 : x
  2. Step 2: Convert to fraction form
    27,380.37/37,784.93 = 14,805.12/x
  3. Step 3: Cross multiply
    27,380.37x = 37,784.93 × 14,805.12
  4. Step 4: Simplify right side
    27,380.37x = 559,410,348.82
  5. Step 5: Solve for x
    x = 559,410,348.82/27,380.37
  6. Step 6: Final answer
    x = 20,431.07

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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.