Home / 29,415.13-40,592.36-15,986.43

Finding the Fourth Proportional to 29,415.13, 40,592.36 and 15,986.43

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Solution

The fourth proportional to 29,415.13, 40,592.36 and 15,986.43 is: 22,060.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.13 : 40,592.36 = 15,986.43 : x
  2. Step 2: Convert to fraction form
    29,415.13/40,592.36 = 15,986.43/x
  3. Step 3: Cross multiply
    29,415.13x = 40,592.36 × 15,986.43
  4. Step 4: Simplify right side
    29,415.13x = 648,926,871.72
  5. Step 5: Solve for x
    x = 648,926,871.72/29,415.13
  6. Step 6: Final answer
    x = 22,060.99

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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.