Home / 27,553.20-41,329.80-17,703.60

Finding the Fourth Proportional to 27,553.20, 41,329.80 and 17,703.60

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Solution

The fourth proportional to 27,553.20, 41,329.80 and 17,703.60 is: 26,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.20 : 41,329.80 = 17,703.60 : x
  2. Step 2: Convert to fraction form
    27,553.20/41,329.80 = 17,703.60/x
  3. Step 3: Cross multiply
    27,553.20x = 41,329.80 × 17,703.60
  4. Step 4: Simplify right side
    27,553.20x = 731,686,247.28
  5. Step 5: Solve for x
    x = 731,686,247.28/27,553.20
  6. Step 6: Final answer
    x = 26,555.40

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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.