Home / 29,112.44-40,175.16-15,864.44

Finding the Fourth Proportional to 29,112.44, 40,175.16 and 15,864.44

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Solution

The fourth proportional to 29,112.44, 40,175.16 and 15,864.44 is: 21,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.44 : 40,175.16 = 15,864.44 : x
  2. Step 2: Convert to fraction form
    29,112.44/40,175.16 = 15,864.44/x
  3. Step 3: Cross multiply
    29,112.44x = 40,175.16 × 15,864.44
  4. Step 4: Simplify right side
    29,112.44x = 637,356,415.31
  5. Step 5: Solve for x
    x = 637,356,415.31/29,112.44
  6. Step 6: Final answer
    x = 21,892.92

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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.