Home / 27,077.31-40,623.21-8,356.59

Finding the Fourth Proportional to 27,077.31, 40,623.21 and 8,356.59

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Solution

The fourth proportional to 27,077.31, 40,623.21 and 8,356.59 is: 12,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.31 : 40,623.21 = 8,356.59 : x
  2. Step 2: Convert to fraction form
    27,077.31/40,623.21 = 8,356.59/x
  3. Step 3: Cross multiply
    27,077.31x = 40,623.21 × 8,356.59
  4. Step 4: Simplify right side
    27,077.31x = 339,471,510.45
  5. Step 5: Solve for x
    x = 339,471,510.45/27,077.31
  6. Step 6: Final answer
    x = 12,537.12

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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.