Home / 28,885.13-43,321.46-16,869.26

Finding the Fourth Proportional to 28,885.13, 43,321.46 and 16,869.26

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Solution

The fourth proportional to 28,885.13, 43,321.46 and 16,869.26 is: 25,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.13 : 43,321.46 = 16,869.26 : x
  2. Step 2: Convert to fraction form
    28,885.13/43,321.46 = 16,869.26/x
  3. Step 3: Cross multiply
    28,885.13x = 43,321.46 × 16,869.26
  4. Step 4: Simplify right side
    28,885.13x = 730,800,972.32
  5. Step 5: Solve for x
    x = 730,800,972.32/28,885.13
  6. Step 6: Final answer
    x = 25,300.25

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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.