Home / 27,775.62-38,328.89-15,197.94

Finding the Fourth Proportional to 27,775.62, 38,328.89 and 15,197.94

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Solution

The fourth proportional to 27,775.62, 38,328.89 and 15,197.94 is: 20,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.62 : 38,328.89 = 15,197.94 : x
  2. Step 2: Convert to fraction form
    27,775.62/38,328.89 = 15,197.94/x
  3. Step 3: Cross multiply
    27,775.62x = 38,328.89 × 15,197.94
  4. Step 4: Simplify right side
    27,775.62x = 582,520,094.50
  5. Step 5: Solve for x
    x = 582,520,094.50/27,775.62
  6. Step 6: Final answer
    x = 20,972.35

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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.