Home / 27,315.72-40,769.64-26,651.52

Finding the Fourth Proportional to 27,315.72, 40,769.64 and 26,651.52

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Solution

The fourth proportional to 27,315.72, 40,769.64 and 26,651.52 is: 39,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.72 : 40,769.64 = 26,651.52 : x
  2. Step 2: Convert to fraction form
    27,315.72/40,769.64 = 26,651.52/x
  3. Step 3: Cross multiply
    27,315.72x = 40,769.64 × 26,651.52
  4. Step 4: Simplify right side
    27,315.72x = 1,086,572,875.85
  5. Step 5: Solve for x
    x = 1,086,572,875.85/27,315.72
  6. Step 6: Final answer
    x = 39,778.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.