Home / 21,233.36-31,847.74-5,652.56

Finding the Fourth Proportional to 21,233.36, 31,847.74 and 5,652.56

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Solution

The fourth proportional to 21,233.36, 31,847.74 and 5,652.56 is: 8,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.36 : 31,847.74 = 5,652.56 : x
  2. Step 2: Convert to fraction form
    21,233.36/31,847.74 = 5,652.56/x
  3. Step 3: Cross multiply
    21,233.36x = 31,847.74 × 5,652.56
  4. Step 4: Simplify right side
    21,233.36x = 180,021,261.21
  5. Step 5: Solve for x
    x = 180,021,261.21/21,233.36
  6. Step 6: Final answer
    x = 8,478.23

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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.