Home / 27,382.24-37,807.32-17,978.14

Finding the Fourth Proportional to 27,382.24, 37,807.32 and 17,978.14

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Solution

The fourth proportional to 27,382.24, 37,807.32 and 17,978.14 is: 24,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.24 : 37,807.32 = 17,978.14 : x
  2. Step 2: Convert to fraction form
    27,382.24/37,807.32 = 17,978.14/x
  3. Step 3: Cross multiply
    27,382.24x = 37,807.32 × 17,978.14
  4. Step 4: Simplify right side
    27,382.24x = 679,705,291.98
  5. Step 5: Solve for x
    x = 679,705,291.98/27,382.24
  6. Step 6: Final answer
    x = 24,822.85

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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.