Home / 27,285.48-37,653.57-15,185.88

Finding the Fourth Proportional to 27,285.48, 37,653.57 and 15,185.88

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Solution

The fourth proportional to 27,285.48, 37,653.57 and 15,185.88 is: 20,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.48 : 37,653.57 = 15,185.88 : x
  2. Step 2: Convert to fraction form
    27,285.48/37,653.57 = 15,185.88/x
  3. Step 3: Cross multiply
    27,285.48x = 37,653.57 × 15,185.88
  4. Step 4: Simplify right side
    27,285.48x = 571,802,595.59
  5. Step 5: Solve for x
    x = 571,802,595.59/27,285.48
  6. Step 6: Final answer
    x = 20,956.30

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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.