Home / 27,670.82-38,140.20-19,607.18

Finding the Fourth Proportional to 27,670.82, 38,140.20 and 19,607.18

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Solution

The fourth proportional to 27,670.82, 38,140.20 and 19,607.18 is: 27,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.82 : 38,140.20 = 19,607.18 : x
  2. Step 2: Convert to fraction form
    27,670.82/38,140.20 = 19,607.18/x
  3. Step 3: Cross multiply
    27,670.82x = 38,140.20 × 19,607.18
  4. Step 4: Simplify right side
    27,670.82x = 747,821,766.64
  5. Step 5: Solve for x
    x = 747,821,766.64/27,670.82
  6. Step 6: Final answer
    x = 27,025.65

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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.