Home / 28,861.33-43,298.49-10,142.66

Finding the Fourth Proportional to 28,861.33, 43,298.49 and 10,142.66

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Solution

The fourth proportional to 28,861.33, 43,298.49 and 10,142.66 is: 15,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.33 : 43,298.49 = 10,142.66 : x
  2. Step 2: Convert to fraction form
    28,861.33/43,298.49 = 10,142.66/x
  3. Step 3: Cross multiply
    28,861.33x = 43,298.49 × 10,142.66
  4. Step 4: Simplify right side
    28,861.33x = 439,161,862.58
  5. Step 5: Solve for x
    x = 439,161,862.58/28,861.33
  6. Step 6: Final answer
    x = 15,216.27

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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.