Home / 21,415.03-32,064.59-15,149.23

Finding the Fourth Proportional to 21,415.03, 32,064.59 and 15,149.23

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Solution

The fourth proportional to 21,415.03, 32,064.59 and 15,149.23 is: 22,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,415.03 : 32,064.59 = 15,149.23 : x
  2. Step 2: Convert to fraction form
    21,415.03/32,064.59 = 15,149.23/x
  3. Step 3: Cross multiply
    21,415.03x = 32,064.59 × 15,149.23
  4. Step 4: Simplify right side
    21,415.03x = 485,753,773.02
  5. Step 5: Solve for x
    x = 485,753,773.02/21,415.03
  6. Step 6: Final answer
    x = 22,682.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.