Home / 17,988.85-26,976.43-5,505.07

Finding the Fourth Proportional to 17,988.85, 26,976.43 and 5,505.07

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Solution

The fourth proportional to 17,988.85, 26,976.43 and 5,505.07 is: 8,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.85 : 26,976.43 = 5,505.07 : x
  2. Step 2: Convert to fraction form
    17,988.85/26,976.43 = 5,505.07/x
  3. Step 3: Cross multiply
    17,988.85x = 26,976.43 × 5,505.07
  4. Step 4: Simplify right side
    17,988.85x = 148,507,135.50
  5. Step 5: Solve for x
    x = 148,507,135.50/17,988.85
  6. Step 6: Final answer
    x = 8,255.51

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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.