Home / 21,352.56-32,015.58-8,881.32

Finding the Fourth Proportional to 21,352.56, 32,015.58 and 8,881.32

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Solution

The fourth proportional to 21,352.56, 32,015.58 and 8,881.32 is: 13,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.56 : 32,015.58 = 8,881.32 : x
  2. Step 2: Convert to fraction form
    21,352.56/32,015.58 = 8,881.32/x
  3. Step 3: Cross multiply
    21,352.56x = 32,015.58 × 8,881.32
  4. Step 4: Simplify right side
    21,352.56x = 284,340,610.97
  5. Step 5: Solve for x
    x = 284,340,610.97/21,352.56
  6. Step 6: Final answer
    x = 13,316.46

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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.