Home / 21,928.47-32,840.48-14,006.44

Finding the Fourth Proportional to 21,928.47, 32,840.48 and 14,006.44

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Solution

The fourth proportional to 21,928.47, 32,840.48 and 14,006.44 is: 20,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.47 : 32,840.48 = 14,006.44 : x
  2. Step 2: Convert to fraction form
    21,928.47/32,840.48 = 14,006.44/x
  3. Step 3: Cross multiply
    21,928.47x = 32,840.48 × 14,006.44
  4. Step 4: Simplify right side
    21,928.47x = 459,978,212.69
  5. Step 5: Solve for x
    x = 459,978,212.69/21,928.47
  6. Step 6: Final answer
    x = 20,976.31

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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.