Home / 27,312.82-40,985.13-11,516.86

Finding the Fourth Proportional to 27,312.82, 40,985.13 and 11,516.86

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Solution

The fourth proportional to 27,312.82, 40,985.13 and 11,516.86 is: 17,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.82 : 40,985.13 = 11,516.86 : x
  2. Step 2: Convert to fraction form
    27,312.82/40,985.13 = 11,516.86/x
  3. Step 3: Cross multiply
    27,312.82x = 40,985.13 × 11,516.86
  4. Step 4: Simplify right side
    27,312.82x = 472,020,004.29
  5. Step 5: Solve for x
    x = 472,020,004.29/27,312.82
  6. Step 6: Final answer
    x = 17,281.99

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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.