Home / 27,257.55-40,889.83-8,538.45

Finding the Fourth Proportional to 27,257.55, 40,889.83 and 8,538.45

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Solution

The fourth proportional to 27,257.55, 40,889.83 and 8,538.45 is: 12,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,257.55 : 40,889.83 = 8,538.45 : x
  2. Step 2: Convert to fraction form
    27,257.55/40,889.83 = 8,538.45/x
  3. Step 3: Cross multiply
    27,257.55x = 40,889.83 × 8,538.45
  4. Step 4: Simplify right side
    27,257.55x = 349,135,564.51
  5. Step 5: Solve for x
    x = 349,135,564.51/27,257.55
  6. Step 6: Final answer
    x = 12,808.77

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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.