Home / 27,331.32-37,715.82-15,395.36

Finding the Fourth Proportional to 27,331.32, 37,715.82 and 15,395.36

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Solution

The fourth proportional to 27,331.32, 37,715.82 and 15,395.36 is: 21,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.32 : 37,715.82 = 15,395.36 : x
  2. Step 2: Convert to fraction form
    27,331.32/37,715.82 = 15,395.36/x
  3. Step 3: Cross multiply
    27,331.32x = 37,715.82 × 15,395.36
  4. Step 4: Simplify right side
    27,331.32x = 580,648,626.60
  5. Step 5: Solve for x
    x = 580,648,626.60/27,331.32
  6. Step 6: Final answer
    x = 21,244.81

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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.