Home / 21,860.64-32,741.52-17,923.92

Finding the Fourth Proportional to 21,860.64, 32,741.52 and 17,923.92

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Solution

The fourth proportional to 21,860.64, 32,741.52 and 17,923.92 is: 26,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860.64 : 32,741.52 = 17,923.92 : x
  2. Step 2: Convert to fraction form
    21,860.64/32,741.52 = 17,923.92/x
  3. Step 3: Cross multiply
    21,860.64x = 32,741.52 × 17,923.92
  4. Step 4: Simplify right side
    21,860.64x = 586,856,385.16
  5. Step 5: Solve for x
    x = 586,856,385.16/21,860.64
  6. Step 6: Final answer
    x = 26,845.34

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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.