Home / 27,305.81-37,674.62-15,978.09

Finding the Fourth Proportional to 27,305.81, 37,674.62 and 15,978.09

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Solution

The fourth proportional to 27,305.81, 37,674.62 and 15,978.09 is: 22,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.81 : 37,674.62 = 15,978.09 : x
  2. Step 2: Convert to fraction form
    27,305.81/37,674.62 = 15,978.09/x
  3. Step 3: Cross multiply
    27,305.81x = 37,674.62 × 15,978.09
  4. Step 4: Simplify right side
    27,305.81x = 601,968,590.38
  5. Step 5: Solve for x
    x = 601,968,590.38/27,305.81
  6. Step 6: Final answer
    x = 22,045.44

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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.