Home / 18,989.16-26,217.34-16,996.24

Finding the Fourth Proportional to 18,989.16, 26,217.34 and 16,996.24

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Solution

The fourth proportional to 18,989.16, 26,217.34 and 16,996.24 is: 23,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.16 : 26,217.34 = 16,996.24 : x
  2. Step 2: Convert to fraction form
    18,989.16/26,217.34 = 16,996.24/x
  3. Step 3: Cross multiply
    18,989.16x = 26,217.34 × 16,996.24
  4. Step 4: Simplify right side
    18,989.16x = 445,596,202.80
  5. Step 5: Solve for x
    x = 445,596,202.80/18,989.16
  6. Step 6: Final answer
    x = 23,465.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.