Home / 27,720.50-41,570.55-8,995.73

Finding the Fourth Proportional to 27,720.50, 41,570.55 and 8,995.73

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Solution

The fourth proportional to 27,720.50, 41,570.55 and 8,995.73 is: 13,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720.50 : 41,570.55 = 8,995.73 : x
  2. Step 2: Convert to fraction form
    27,720.50/41,570.55 = 8,995.73/x
  3. Step 3: Cross multiply
    27,720.50x = 41,570.55 × 8,995.73
  4. Step 4: Simplify right side
    27,720.50x = 373,957,235.90
  5. Step 5: Solve for x
    x = 373,957,235.90/27,720.50
  6. Step 6: Final answer
    x = 13,490.28

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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.