Home / 20,349.54-28,083.33-11,395.26

Finding the Fourth Proportional to 20,349.54, 28,083.33 and 11,395.26

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Solution

The fourth proportional to 20,349.54, 28,083.33 and 11,395.26 is: 15,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.54 : 28,083.33 = 11,395.26 : x
  2. Step 2: Convert to fraction form
    20,349.54/28,083.33 = 11,395.26/x
  3. Step 3: Cross multiply
    20,349.54x = 28,083.33 × 11,395.26
  4. Step 4: Simplify right side
    20,349.54x = 320,016,847.02
  5. Step 5: Solve for x
    x = 320,016,847.02/20,349.54
  6. Step 6: Final answer
    x = 15,726.00

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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.