Home / 21,659.76-32,511.36-14,617.44

Finding the Fourth Proportional to 21,659.76, 32,511.36 and 14,617.44

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Solution

The fourth proportional to 21,659.76, 32,511.36 and 14,617.44 is: 21,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.76 : 32,511.36 = 14,617.44 : x
  2. Step 2: Convert to fraction form
    21,659.76/32,511.36 = 14,617.44/x
  3. Step 3: Cross multiply
    21,659.76x = 32,511.36 × 14,617.44
  4. Step 4: Simplify right side
    21,659.76x = 475,232,854.12
  5. Step 5: Solve for x
    x = 475,232,854.12/21,659.76
  6. Step 6: Final answer
    x = 21,940.82

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1.5x scale

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.