Home / 27,145.44-37,463.12-15,208.70

Finding the Fourth Proportional to 27,145.44, 37,463.12 and 15,208.70

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Solution

The fourth proportional to 27,145.44, 37,463.12 and 15,208.70 is: 20,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.44 : 37,463.12 = 15,208.70 : x
  2. Step 2: Convert to fraction form
    27,145.44/37,463.12 = 15,208.70/x
  3. Step 3: Cross multiply
    27,145.44x = 37,463.12 × 15,208.70
  4. Step 4: Simplify right side
    27,145.44x = 569,765,353.14
  5. Step 5: Solve for x
    x = 569,765,353.14/27,145.44
  6. Step 6: Final answer
    x = 20,989.36

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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.