Home / 31,869.15-47,810.70-15,206.27

Finding the Fourth Proportional to 31,869.15, 47,810.70 and 15,206.27

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Solution

The fourth proportional to 31,869.15, 47,810.70 and 15,206.27 is: 22,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.15 : 47,810.70 = 15,206.27 : x
  2. Step 2: Convert to fraction form
    31,869.15/47,810.70 = 15,206.27/x
  3. Step 3: Cross multiply
    31,869.15x = 47,810.70 × 15,206.27
  4. Step 4: Simplify right side
    31,869.15x = 727,022,174.04
  5. Step 5: Solve for x
    x = 727,022,174.04/31,869.15
  6. Step 6: Final answer
    x = 22,812.73

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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.