Home / 21,724.32-32,557.32-11,848.80

Finding the Fourth Proportional to 21,724.32, 32,557.32 and 11,848.80

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Solution

The fourth proportional to 21,724.32, 32,557.32 and 11,848.80 is: 17,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.32 : 32,557.32 = 11,848.80 : x
  2. Step 2: Convert to fraction form
    21,724.32/32,557.32 = 11,848.80/x
  3. Step 3: Cross multiply
    21,724.32x = 32,557.32 × 11,848.80
  4. Step 4: Simplify right side
    21,724.32x = 385,765,173.22
  5. Step 5: Solve for x
    x = 385,765,173.22/21,724.32
  6. Step 6: Final answer
    x = 17,757.30

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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.