Home / 27,750.06-38,280.87-18,794.43

Finding the Fourth Proportional to 27,750.06, 38,280.87 and 18,794.43

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Solution

The fourth proportional to 27,750.06, 38,280.87 and 18,794.43 is: 25,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.06 : 38,280.87 = 18,794.43 : x
  2. Step 2: Convert to fraction form
    27,750.06/38,280.87 = 18,794.43/x
  3. Step 3: Cross multiply
    27,750.06x = 38,280.87 × 18,794.43
  4. Step 4: Simplify right side
    27,750.06x = 719,467,131.55
  5. Step 5: Solve for x
    x = 719,467,131.55/27,750.06
  6. Step 6: Final answer
    x = 25,926.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.