Home / 27,700.76-41,552.04-7,980.32

Finding the Fourth Proportional to 27,700.76, 41,552.04 and 7,980.32

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Solution

The fourth proportional to 27,700.76, 41,552.04 and 7,980.32 is: 11,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.76 : 41,552.04 = 7,980.32 : x
  2. Step 2: Convert to fraction form
    27,700.76/41,552.04 = 7,980.32/x
  3. Step 3: Cross multiply
    27,700.76x = 41,552.04 × 7,980.32
  4. Step 4: Simplify right side
    27,700.76x = 331,598,575.85
  5. Step 5: Solve for x
    x = 331,598,575.85/27,700.76
  6. Step 6: Final answer
    x = 11,970.74

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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.