Home / 27,565.45-38,061.74-21,181.98

Finding the Fourth Proportional to 27,565.45, 38,061.74 and 21,181.98

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Solution

The fourth proportional to 27,565.45, 38,061.74 and 21,181.98 is: 29,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.45 : 38,061.74 = 21,181.98 : x
  2. Step 2: Convert to fraction form
    27,565.45/38,061.74 = 21,181.98/x
  3. Step 3: Cross multiply
    27,565.45x = 38,061.74 × 21,181.98
  4. Step 4: Simplify right side
    27,565.45x = 806,222,997.03
  5. Step 5: Solve for x
    x = 806,222,997.03/27,565.45
  6. Step 6: Final answer
    x = 29,247.59

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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.