Home / 21,440.90-32,156.46-9,588.44

Finding the Fourth Proportional to 21,440.90, 32,156.46 and 9,588.44

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Solution

The fourth proportional to 21,440.90, 32,156.46 and 9,588.44 is: 14,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.90 : 32,156.46 = 9,588.44 : x
  2. Step 2: Convert to fraction form
    21,440.90/32,156.46 = 9,588.44/x
  3. Step 3: Cross multiply
    21,440.90x = 32,156.46 × 9,588.44
  4. Step 4: Simplify right side
    21,440.90x = 308,330,287.32
  5. Step 5: Solve for x
    x = 308,330,287.32/21,440.90
  6. Step 6: Final answer
    x = 14,380.47

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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.