Home / 26,311.85-39,275.83-22,990.31

Finding the Fourth Proportional to 26,311.85, 39,275.83 and 22,990.31

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Solution

The fourth proportional to 26,311.85, 39,275.83 and 22,990.31 is: 34,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.85 : 39,275.83 = 22,990.31 : x
  2. Step 2: Convert to fraction form
    26,311.85/39,275.83 = 22,990.31/x
  3. Step 3: Cross multiply
    26,311.85x = 39,275.83 × 22,990.31
  4. Step 4: Simplify right side
    26,311.85x = 902,963,195.88
  5. Step 5: Solve for x
    x = 902,963,195.88/26,311.85
  6. Step 6: Final answer
    x = 34,317.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.