Home / 19,331.93-28,998.17-5,480.93

Finding the Fourth Proportional to 19,331.93, 28,998.17 and 5,480.93

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Solution

The fourth proportional to 19,331.93, 28,998.17 and 5,480.93 is: 8,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.93 : 28,998.17 = 5,480.93 : x
  2. Step 2: Convert to fraction form
    19,331.93/28,998.17 = 5,480.93/x
  3. Step 3: Cross multiply
    19,331.93x = 28,998.17 × 5,480.93
  4. Step 4: Simplify right side
    19,331.93x = 158,937,005.54
  5. Step 5: Solve for x
    x = 158,937,005.54/19,331.93
  6. Step 6: Final answer
    x = 8,221.48

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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.