Home / 27,565.12-38,061.29-21,181.64

Finding the Fourth Proportional to 27,565.12, 38,061.29 and 21,181.64

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Solution

The fourth proportional to 27,565.12, 38,061.29 and 21,181.64 is: 29,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.12 : 38,061.29 = 21,181.64 : x
  2. Step 2: Convert to fraction form
    27,565.12/38,061.29 = 21,181.64/x
  3. Step 3: Cross multiply
    27,565.12x = 38,061.29 × 21,181.64
  4. Step 4: Simplify right side
    27,565.12x = 806,200,531.96
  5. Step 5: Solve for x
    x = 806,200,531.96/27,565.12
  6. Step 6: Final answer
    x = 29,247.13

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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.