Home / 27,420.66-41,131.01-9,890.49

Finding the Fourth Proportional to 27,420.66, 41,131.01 and 9,890.49

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Solution

The fourth proportional to 27,420.66, 41,131.01 and 9,890.49 is: 14,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.66 : 41,131.01 = 9,890.49 : x
  2. Step 2: Convert to fraction form
    27,420.66/41,131.01 = 9,890.49/x
  3. Step 3: Cross multiply
    27,420.66x = 41,131.01 × 9,890.49
  4. Step 4: Simplify right side
    27,420.66x = 406,805,793.64
  5. Step 5: Solve for x
    x = 406,805,793.64/27,420.66
  6. Step 6: Final answer
    x = 14,835.74

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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.