Home / 21,629.84-32,449.34-6,839.93

Finding the Fourth Proportional to 21,629.84, 32,449.34 and 6,839.93

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Solution

The fourth proportional to 21,629.84, 32,449.34 and 6,839.93 is: 10,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.84 : 32,449.34 = 6,839.93 : x
  2. Step 2: Convert to fraction form
    21,629.84/32,449.34 = 6,839.93/x
  3. Step 3: Cross multiply
    21,629.84x = 32,449.34 × 6,839.93
  4. Step 4: Simplify right side
    21,629.84x = 221,951,312.37
  5. Step 5: Solve for x
    x = 221,951,312.37/21,629.84
  6. Step 6: Final answer
    x = 10,261.35

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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.