Home / 27,520.20-37,978.29-14,945.04

Finding the Fourth Proportional to 27,520.20, 37,978.29 and 14,945.04

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Solution

The fourth proportional to 27,520.20, 37,978.29 and 14,945.04 is: 20,624.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.20 : 37,978.29 = 14,945.04 : x
  2. Step 2: Convert to fraction form
    27,520.20/37,978.29 = 14,945.04/x
  3. Step 3: Cross multiply
    27,520.20x = 37,978.29 × 14,945.04
  4. Step 4: Simplify right side
    27,520.20x = 567,587,063.18
  5. Step 5: Solve for x
    x = 567,587,063.18/27,520.20
  6. Step 6: Final answer
    x = 20,624.38

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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.