Home / 27,774.30-38,328.39-15,199.26

Finding the Fourth Proportional to 27,774.30, 38,328.39 and 15,199.26

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Solution

The fourth proportional to 27,774.30, 38,328.39 and 15,199.26 is: 20,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.30 : 38,328.39 = 15,199.26 : x
  2. Step 2: Convert to fraction form
    27,774.30/38,328.39 = 15,199.26/x
  3. Step 3: Cross multiply
    27,774.30x = 38,328.39 × 15,199.26
  4. Step 4: Simplify right side
    27,774.30x = 582,563,164.99
  5. Step 5: Solve for x
    x = 582,563,164.99/27,774.30
  6. Step 6: Final answer
    x = 20,974.90

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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.