Home / 21,617.19-32,428.49-6,823.94

Finding the Fourth Proportional to 21,617.19, 32,428.49 and 6,823.94

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Solution

The fourth proportional to 21,617.19, 32,428.49 and 6,823.94 is: 10,236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.19 : 32,428.49 = 6,823.94 : x
  2. Step 2: Convert to fraction form
    21,617.19/32,428.49 = 6,823.94/x
  3. Step 3: Cross multiply
    21,617.19x = 32,428.49 × 6,823.94
  4. Step 4: Simplify right side
    21,617.19x = 221,289,873.79
  5. Step 5: Solve for x
    x = 221,289,873.79/21,617.19
  6. Step 6: Final answer
    x = 10,236.75

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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.