Home / 28,939.77-43,398.61-10,216.33

Finding the Fourth Proportional to 28,939.77, 43,398.61 and 10,216.33

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Solution

The fourth proportional to 28,939.77, 43,398.61 and 10,216.33 is: 15,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.77 : 43,398.61 = 10,216.33 : x
  2. Step 2: Convert to fraction form
    28,939.77/43,398.61 = 10,216.33/x
  3. Step 3: Cross multiply
    28,939.77x = 43,398.61 × 10,216.33
  4. Step 4: Simplify right side
    28,939.77x = 443,374,387.26
  5. Step 5: Solve for x
    x = 443,374,387.26/28,939.77
  6. Step 6: Final answer
    x = 15,320.59

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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.