Home / 29,238.45-40,349.10-15,809.82

Finding the Fourth Proportional to 29,238.45, 40,349.10 and 15,809.82

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Solution

The fourth proportional to 29,238.45, 40,349.10 and 15,809.82 is: 21,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.45 : 40,349.10 = 15,809.82 : x
  2. Step 2: Convert to fraction form
    29,238.45/40,349.10 = 15,809.82/x
  3. Step 3: Cross multiply
    29,238.45x = 40,349.10 × 15,809.82
  4. Step 4: Simplify right side
    29,238.45x = 637,912,008.16
  5. Step 5: Solve for x
    x = 637,912,008.16/29,238.45
  6. Step 6: Final answer
    x = 21,817.57

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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.