Home / 31,797.36-47,709.81-15,157.53

Finding the Fourth Proportional to 31,797.36, 47,709.81 and 15,157.53

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Solution

The fourth proportional to 31,797.36, 47,709.81 and 15,157.53 is: 22,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.36 : 47,709.81 = 15,157.53 : x
  2. Step 2: Convert to fraction form
    31,797.36/47,709.81 = 15,157.53/x
  3. Step 3: Cross multiply
    31,797.36x = 47,709.81 × 15,157.53
  4. Step 4: Simplify right side
    31,797.36x = 723,162,876.37
  5. Step 5: Solve for x
    x = 723,162,876.37/31,797.36
  6. Step 6: Final answer
    x = 22,742.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.