Home / 27,285.48-40,930.70-9,755.40

Finding the Fourth Proportional to 27,285.48, 40,930.70 and 9,755.40

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Solution

The fourth proportional to 27,285.48, 40,930.70 and 9,755.40 is: 14,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.48 : 40,930.70 = 9,755.40 : x
  2. Step 2: Convert to fraction form
    27,285.48/40,930.70 = 9,755.40/x
  3. Step 3: Cross multiply
    27,285.48x = 40,930.70 × 9,755.40
  4. Step 4: Simplify right side
    27,285.48x = 399,295,350.78
  5. Step 5: Solve for x
    x = 399,295,350.78/27,285.48
  6. Step 6: Final answer
    x = 14,633.99

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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.