Home / 21,687.84-32,527.44-9,999.36

Finding the Fourth Proportional to 21,687.84, 32,527.44 and 9,999.36

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Solution

The fourth proportional to 21,687.84, 32,527.44 and 9,999.36 is: 14,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687.84 : 32,527.44 = 9,999.36 : x
  2. Step 2: Convert to fraction form
    21,687.84/32,527.44 = 9,999.36/x
  3. Step 3: Cross multiply
    21,687.84x = 32,527.44 × 9,999.36
  4. Step 4: Simplify right side
    21,687.84x = 325,253,582.44
  5. Step 5: Solve for x
    x = 325,253,582.44/21,687.84
  6. Step 6: Final answer
    x = 14,997.05

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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.