Home / 18,373.95-27,550.80-5,720.28

Finding the Fourth Proportional to 18,373.95, 27,550.80 and 5,720.28

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Solution

The fourth proportional to 18,373.95, 27,550.80 and 5,720.28 is: 8,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.95 : 27,550.80 = 5,720.28 : x
  2. Step 2: Convert to fraction form
    18,373.95/27,550.80 = 5,720.28/x
  3. Step 3: Cross multiply
    18,373.95x = 27,550.80 × 5,720.28
  4. Step 4: Simplify right side
    18,373.95x = 157,598,290.22
  5. Step 5: Solve for x
    x = 157,598,290.22/18,373.95
  6. Step 6: Final answer
    x = 8,577.27

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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.