Home / 27,369.64-37,769.14-15,431.46

Finding the Fourth Proportional to 27,369.64, 37,769.14 and 15,431.46

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Solution

The fourth proportional to 27,369.64, 37,769.14 and 15,431.46 is: 21,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,369.64 : 37,769.14 = 15,431.46 : x
  2. Step 2: Convert to fraction form
    27,369.64/37,769.14 = 15,431.46/x
  3. Step 3: Cross multiply
    27,369.64x = 37,769.14 × 15,431.46
  4. Step 4: Simplify right side
    27,369.64x = 582,832,973.14
  5. Step 5: Solve for x
    x = 582,832,973.14/27,369.64
  6. Step 6: Final answer
    x = 21,294.87

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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.