Home / 27,151.24-40,740.80-12,935.82

Finding the Fourth Proportional to 27,151.24, 40,740.80 and 12,935.82

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Solution

The fourth proportional to 27,151.24, 40,740.80 and 12,935.82 is: 19,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.24 : 40,740.80 = 12,935.82 : x
  2. Step 2: Convert to fraction form
    27,151.24/40,740.80 = 12,935.82/x
  3. Step 3: Cross multiply
    27,151.24x = 40,740.80 × 12,935.82
  4. Step 4: Simplify right side
    27,151.24x = 527,015,655.46
  5. Step 5: Solve for x
    x = 527,015,655.46/27,151.24
  6. Step 6: Final answer
    x = 19,410.37

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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.