Home / 21,867.09-32,801.24-8,539.57

Finding the Fourth Proportional to 21,867.09, 32,801.24 and 8,539.57

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Solution

The fourth proportional to 21,867.09, 32,801.24 and 8,539.57 is: 12,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.09 : 32,801.24 = 8,539.57 : x
  2. Step 2: Convert to fraction form
    21,867.09/32,801.24 = 8,539.57/x
  3. Step 3: Cross multiply
    21,867.09x = 32,801.24 × 8,539.57
  4. Step 4: Simplify right side
    21,867.09x = 280,108,485.07
  5. Step 5: Solve for x
    x = 280,108,485.07/21,867.09
  6. Step 6: Final answer
    x = 12,809.59

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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.