Home / 16,688.40-25,032.60-15,997.20

Finding the Fourth Proportional to 16,688.40, 25,032.60 and 15,997.20

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Solution

The fourth proportional to 16,688.40, 25,032.60 and 15,997.20 is: 23,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.40 : 25,032.60 = 15,997.20 : x
  2. Step 2: Convert to fraction form
    16,688.40/25,032.60 = 15,997.20/x
  3. Step 3: Cross multiply
    16,688.40x = 25,032.60 × 15,997.20
  4. Step 4: Simplify right side
    16,688.40x = 400,451,508.72
  5. Step 5: Solve for x
    x = 400,451,508.72/16,688.40
  6. Step 6: Final answer
    x = 23,995.80

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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.