Home / 31,406.28-43,340.70-17,259.96

Finding the Fourth Proportional to 31,406.28, 43,340.70 and 17,259.96

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Solution

The fourth proportional to 31,406.28, 43,340.70 and 17,259.96 is: 23,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.28 : 43,340.70 = 17,259.96 : x
  2. Step 2: Convert to fraction form
    31,406.28/43,340.70 = 17,259.96/x
  3. Step 3: Cross multiply
    31,406.28x = 43,340.70 × 17,259.96
  4. Step 4: Simplify right side
    31,406.28x = 748,058,748.37
  5. Step 5: Solve for x
    x = 748,058,748.37/31,406.28
  6. Step 6: Final answer
    x = 23,818.76

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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.