Home / 27,257.17-40,889.27-8,538.07

Finding the Fourth Proportional to 27,257.17, 40,889.27 and 8,538.07

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Solution

The fourth proportional to 27,257.17, 40,889.27 and 8,538.07 is: 12,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.17 : 40,889.27 = 8,538.07 : x
  2. Step 2: Convert to fraction form
    27,257.17/40,889.27 = 8,538.07/x
  3. Step 3: Cross multiply
    27,257.17x = 40,889.27 × 8,538.07
  4. Step 4: Simplify right side
    27,257.17x = 349,115,449.51
  5. Step 5: Solve for x
    x = 349,115,449.51/27,257.17
  6. Step 6: Final answer
    x = 12,808.21

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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.