Home / 21,744.13-32,616.20-5,328.13

Finding the Fourth Proportional to 21,744.13, 32,616.20 and 5,328.13

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Solution

The fourth proportional to 21,744.13, 32,616.20 and 5,328.13 is: 7,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.13 : 32,616.20 = 5,328.13 : x
  2. Step 2: Convert to fraction form
    21,744.13/32,616.20 = 5,328.13/x
  3. Step 3: Cross multiply
    21,744.13x = 32,616.20 × 5,328.13
  4. Step 4: Simplify right side
    21,744.13x = 173,783,353.71
  5. Step 5: Solve for x
    x = 173,783,353.71/21,744.13
  6. Step 6: Final answer
    x = 7,992.20

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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.