Home / 27,216.86-40,807.52-11,431.98

Finding the Fourth Proportional to 27,216.86, 40,807.52 and 11,431.98

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Solution

The fourth proportional to 27,216.86, 40,807.52 and 11,431.98 is: 17,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.86 : 40,807.52 = 11,431.98 : x
  2. Step 2: Convert to fraction form
    27,216.86/40,807.52 = 11,431.98/x
  3. Step 3: Cross multiply
    27,216.86x = 40,807.52 × 11,431.98
  4. Step 4: Simplify right side
    27,216.86x = 466,510,752.49
  5. Step 5: Solve for x
    x = 466,510,752.49/27,216.86
  6. Step 6: Final answer
    x = 17,140.51

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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.