Home / 29,369.16-40,529.05-15,940.30

Finding the Fourth Proportional to 29,369.16, 40,529.05 and 15,940.30

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Solution

The fourth proportional to 29,369.16, 40,529.05 and 15,940.30 is: 21,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.16 : 40,529.05 = 15,940.30 : x
  2. Step 2: Convert to fraction form
    29,369.16/40,529.05 = 15,940.30/x
  3. Step 3: Cross multiply
    29,369.16x = 40,529.05 × 15,940.30
  4. Step 4: Simplify right side
    29,369.16x = 646,045,215.72
  5. Step 5: Solve for x
    x = 646,045,215.72/29,369.16
  6. Step 6: Final answer
    x = 21,997.40

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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.