Home / 16,892.40-25,338.60-15,628.80

Finding the Fourth Proportional to 16,892.40, 25,338.60 and 15,628.80

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Solution

The fourth proportional to 16,892.40, 25,338.60 and 15,628.80 is: 23,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.40 : 25,338.60 = 15,628.80 : x
  2. Step 2: Convert to fraction form
    16,892.40/25,338.60 = 15,628.80/x
  3. Step 3: Cross multiply
    16,892.40x = 25,338.60 × 15,628.80
  4. Step 4: Simplify right side
    16,892.40x = 396,011,911.68
  5. Step 5: Solve for x
    x = 396,011,911.68/16,892.40
  6. Step 6: Final answer
    x = 23,443.20

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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.