Home / 21,517.83-32,289.26-9,036.90

Finding the Fourth Proportional to 21,517.83, 32,289.26 and 9,036.90

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Solution

The fourth proportional to 21,517.83, 32,289.26 and 9,036.90 is: 13,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.83 : 32,289.26 = 9,036.90 : x
  2. Step 2: Convert to fraction form
    21,517.83/32,289.26 = 9,036.90/x
  3. Step 3: Cross multiply
    21,517.83x = 32,289.26 × 9,036.90
  4. Step 4: Simplify right side
    21,517.83x = 291,794,768.51
  5. Step 5: Solve for x
    x = 291,794,768.51/21,517.83
  6. Step 6: Final answer
    x = 13,560.60

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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.