Home / 16,640.11-24,989.91-15,971.20

Finding the Fourth Proportional to 16,640.11, 24,989.91 and 15,971.20

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Solution

The fourth proportional to 16,640.11, 24,989.91 and 15,971.20 is: 23,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.11 : 24,989.91 = 15,971.20 : x
  2. Step 2: Convert to fraction form
    16,640.11/24,989.91 = 15,971.20/x
  3. Step 3: Cross multiply
    16,640.11x = 24,989.91 × 15,971.20
  4. Step 4: Simplify right side
    16,640.11x = 399,118,850.59
  5. Step 5: Solve for x
    x = 399,118,850.59/16,640.11
  6. Step 6: Final answer
    x = 23,985.35

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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.