Home / 27,961.02-38,586.42-15,214.32

Finding the Fourth Proportional to 27,961.02, 38,586.42 and 15,214.32

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Solution

The fourth proportional to 27,961.02, 38,586.42 and 15,214.32 is: 20,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.02 : 38,586.42 = 15,214.32 : x
  2. Step 2: Convert to fraction form
    27,961.02/38,586.42 = 15,214.32/x
  3. Step 3: Cross multiply
    27,961.02x = 38,586.42 × 15,214.32
  4. Step 4: Simplify right side
    27,961.02x = 587,066,141.53
  5. Step 5: Solve for x
    x = 587,066,141.53/27,961.02
  6. Step 6: Final answer
    x = 20,995.88

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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.