Home / 28,741.10-39,662.30-16,165.84

Finding the Fourth Proportional to 28,741.10, 39,662.30 and 16,165.84

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Solution

The fourth proportional to 28,741.10, 39,662.30 and 16,165.84 is: 22,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.10 : 39,662.30 = 16,165.84 : x
  2. Step 2: Convert to fraction form
    28,741.10/39,662.30 = 16,165.84/x
  3. Step 3: Cross multiply
    28,741.10x = 39,662.30 × 16,165.84
  4. Step 4: Simplify right side
    28,741.10x = 641,174,395.83
  5. Step 5: Solve for x
    x = 641,174,395.83/28,741.10
  6. Step 6: Final answer
    x = 22,308.62

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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.