Home / 29,586.72-40,829.96-16,839.28

Finding the Fourth Proportional to 29,586.72, 40,829.96 and 16,839.28

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Solution

The fourth proportional to 29,586.72, 40,829.96 and 16,839.28 is: 23,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,586.72 : 40,829.96 = 16,839.28 : x
  2. Step 2: Convert to fraction form
    29,586.72/40,829.96 = 16,839.28/x
  3. Step 3: Cross multiply
    29,586.72x = 40,829.96 × 16,839.28
  4. Step 4: Simplify right side
    29,586.72x = 687,547,127.24
  5. Step 5: Solve for x
    x = 687,547,127.24/29,586.72
  6. Step 6: Final answer
    x = 23,238.37

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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.