Home / 26,917.29-40,378.63-10,291.31

Finding the Fourth Proportional to 26,917.29, 40,378.63 and 10,291.31

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Solution

The fourth proportional to 26,917.29, 40,378.63 and 10,291.31 is: 15,437.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.29 : 40,378.63 = 10,291.31 : x
  2. Step 2: Convert to fraction form
    26,917.29/40,378.63 = 10,291.31/x
  3. Step 3: Cross multiply
    26,917.29x = 40,378.63 × 10,291.31
  4. Step 4: Simplify right side
    26,917.29x = 415,548,947.25
  5. Step 5: Solve for x
    x = 415,548,947.25/26,917.29
  6. Step 6: Final answer
    x = 15,437.99

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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.