Home / 21,487.77-32,233.21-8,995.23

Finding the Fourth Proportional to 21,487.77, 32,233.21 and 8,995.23

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Solution

The fourth proportional to 21,487.77, 32,233.21 and 8,995.23 is: 13,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.77 : 32,233.21 = 8,995.23 : x
  2. Step 2: Convert to fraction form
    21,487.77/32,233.21 = 8,995.23/x
  3. Step 3: Cross multiply
    21,487.77x = 32,233.21 × 8,995.23
  4. Step 4: Simplify right side
    21,487.77x = 289,945,115.10
  5. Step 5: Solve for x
    x = 289,945,115.10/21,487.77
  6. Step 6: Final answer
    x = 13,493.49

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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.