Home / 16,919.40-25,427.70-16,627.80

Finding the Fourth Proportional to 16,919.40, 25,427.70 and 16,627.80

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Solution

The fourth proportional to 16,919.40, 25,427.70 and 16,627.80 is: 24,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.40 : 25,427.70 = 16,627.80 : x
  2. Step 2: Convert to fraction form
    16,919.40/25,427.70 = 16,627.80/x
  3. Step 3: Cross multiply
    16,919.40x = 25,427.70 × 16,627.80
  4. Step 4: Simplify right side
    16,919.40x = 422,806,710.06
  5. Step 5: Solve for x
    x = 422,806,710.06/16,919.40
  6. Step 6: Final answer
    x = 24,989.46

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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.