Home / 27,215.15-37,554.32-15,275.75

Finding the Fourth Proportional to 27,215.15, 37,554.32 and 15,275.75

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Solution

The fourth proportional to 27,215.15, 37,554.32 and 15,275.75 is: 21,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.15 : 37,554.32 = 15,275.75 : x
  2. Step 2: Convert to fraction form
    27,215.15/37,554.32 = 15,275.75/x
  3. Step 3: Cross multiply
    27,215.15x = 37,554.32 × 15,275.75
  4. Step 4: Simplify right side
    27,215.15x = 573,670,327.36
  5. Step 5: Solve for x
    x = 573,670,327.36/27,215.15
  6. Step 6: Final answer
    x = 21,079.08

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Similar ratio
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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.