Home / 28,259.22-38,998.44-15,993.66

Finding the Fourth Proportional to 28,259.22, 38,998.44 and 15,993.66

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Solution

The fourth proportional to 28,259.22, 38,998.44 and 15,993.66 is: 22,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.22 : 38,998.44 = 15,993.66 : x
  2. Step 2: Convert to fraction form
    28,259.22/38,998.44 = 15,993.66/x
  3. Step 3: Cross multiply
    28,259.22x = 38,998.44 × 15,993.66
  4. Step 4: Simplify right side
    28,259.22x = 623,727,789.89
  5. Step 5: Solve for x
    x = 623,727,789.89/28,259.22
  6. Step 6: Final answer
    x = 22,071.66

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Double scale
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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.