Home / 26,867.28-37,076.07-15,381.81

Finding the Fourth Proportional to 26,867.28, 37,076.07 and 15,381.81

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Solution

The fourth proportional to 26,867.28, 37,076.07 and 15,381.81 is: 21,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.28 : 37,076.07 = 15,381.81 : x
  2. Step 2: Convert to fraction form
    26,867.28/37,076.07 = 15,381.81/x
  3. Step 3: Cross multiply
    26,867.28x = 37,076.07 × 15,381.81
  4. Step 4: Simplify right side
    26,867.28x = 570,296,896.41
  5. Step 5: Solve for x
    x = 570,296,896.41/26,867.28
  6. Step 6: Final answer
    x = 21,226.45

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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.