Home / 29,369.29-40,529.66-15,940.54

Finding the Fourth Proportional to 29,369.29, 40,529.66 and 15,940.54

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Solution

The fourth proportional to 29,369.29, 40,529.66 and 15,940.54 is: 21,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.29 : 40,529.66 = 15,940.54 : x
  2. Step 2: Convert to fraction form
    29,369.29/40,529.66 = 15,940.54/x
  3. Step 3: Cross multiply
    29,369.29x = 40,529.66 × 15,940.54
  4. Step 4: Simplify right side
    29,369.29x = 646,064,409.40
  5. Step 5: Solve for x
    x = 646,064,409.40/29,369.29
  6. Step 6: Final answer
    x = 21,997.96

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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.