Home / 27,670.32-38,181.72-15,733.68

Finding the Fourth Proportional to 27,670.32, 38,181.72 and 15,733.68

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Solution

The fourth proportional to 27,670.32, 38,181.72 and 15,733.68 is: 21,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.32 : 38,181.72 = 15,733.68 : x
  2. Step 2: Convert to fraction form
    27,670.32/38,181.72 = 15,733.68/x
  3. Step 3: Cross multiply
    27,670.32x = 38,181.72 × 15,733.68
  4. Step 4: Simplify right side
    27,670.32x = 600,738,964.33
  5. Step 5: Solve for x
    x = 600,738,964.33/27,670.32
  6. Step 6: Final answer
    x = 21,710.59

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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.