Home / 27,260.34-40,890.42-7,538.76

Finding the Fourth Proportional to 27,260.34, 40,890.42 and 7,538.76

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Solution

The fourth proportional to 27,260.34, 40,890.42 and 7,538.76 is: 11,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,260.34 : 40,890.42 = 7,538.76 : x
  2. Step 2: Convert to fraction form
    27,260.34/40,890.42 = 7,538.76/x
  3. Step 3: Cross multiply
    27,260.34x = 40,890.42 × 7,538.76
  4. Step 4: Simplify right side
    27,260.34x = 308,263,062.68
  5. Step 5: Solve for x
    x = 308,263,062.68/27,260.34
  6. Step 6: Final answer
    x = 11,308.12

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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.