Home / 21,600.31-32,327.28-13,285.60

Finding the Fourth Proportional to 21,600.31, 32,327.28 and 13,285.60

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Solution

The fourth proportional to 21,600.31, 32,327.28 and 13,285.60 is: 19,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.31 : 32,327.28 = 13,285.60 : x
  2. Step 2: Convert to fraction form
    21,600.31/32,327.28 = 13,285.60/x
  3. Step 3: Cross multiply
    21,600.31x = 32,327.28 × 13,285.60
  4. Step 4: Simplify right side
    21,600.31x = 429,487,149.53
  5. Step 5: Solve for x
    x = 429,487,149.53/21,600.31
  6. Step 6: Final answer
    x = 19,883.38

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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.