Home / 29,238.44-40,349.07-15,809.72

Finding the Fourth Proportional to 29,238.44, 40,349.07 and 15,809.72

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Solution

The fourth proportional to 29,238.44, 40,349.07 and 15,809.72 is: 21,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.44 : 40,349.07 = 15,809.72 : x
  2. Step 2: Convert to fraction form
    29,238.44/40,349.07 = 15,809.72/x
  3. Step 3: Cross multiply
    29,238.44x = 40,349.07 × 15,809.72
  4. Step 4: Simplify right side
    29,238.44x = 637,907,297.22
  5. Step 5: Solve for x
    x = 637,907,297.22/29,238.44
  6. Step 6: Final answer
    x = 21,817.42

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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.