Home / 21,465.86-32,195.08-5,671.06

Finding the Fourth Proportional to 21,465.86, 32,195.08 and 5,671.06

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Solution

The fourth proportional to 21,465.86, 32,195.08 and 5,671.06 is: 8,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.86 : 32,195.08 = 5,671.06 : x
  2. Step 2: Convert to fraction form
    21,465.86/32,195.08 = 5,671.06/x
  3. Step 3: Cross multiply
    21,465.86x = 32,195.08 × 5,671.06
  4. Step 4: Simplify right side
    21,465.86x = 182,580,135.72
  5. Step 5: Solve for x
    x = 182,580,135.72/21,465.86
  6. Step 6: Final answer
    x = 8,505.61

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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.