Home / 21,639.84-32,459.82-6,057.60

Finding the Fourth Proportional to 21,639.84, 32,459.82 and 6,057.60

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Solution

The fourth proportional to 21,639.84, 32,459.82 and 6,057.60 is: 9,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639.84 : 32,459.82 = 6,057.60 : x
  2. Step 2: Convert to fraction form
    21,639.84/32,459.82 = 6,057.60/x
  3. Step 3: Cross multiply
    21,639.84x = 32,459.82 × 6,057.60
  4. Step 4: Simplify right side
    21,639.84x = 196,628,605.63
  5. Step 5: Solve for x
    x = 196,628,605.63/21,639.84
  6. Step 6: Final answer
    x = 9,086.42

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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.