Home / 29,389.89-40,558.32-15,961.26

Finding the Fourth Proportional to 29,389.89, 40,558.32 and 15,961.26

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Solution

The fourth proportional to 29,389.89, 40,558.32 and 15,961.26 is: 22,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.89 : 40,558.32 = 15,961.26 : x
  2. Step 2: Convert to fraction form
    29,389.89/40,558.32 = 15,961.26/x
  3. Step 3: Cross multiply
    29,389.89x = 40,558.32 × 15,961.26
  4. Step 4: Simplify right side
    29,389.89x = 647,361,890.68
  5. Step 5: Solve for x
    x = 647,361,890.68/29,389.89
  6. Step 6: Final answer
    x = 22,026.69

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1.5x scale

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.