Home / 27,362.68-37,764.08-15,429.76

Finding the Fourth Proportional to 27,362.68, 37,764.08 and 15,429.76

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Solution

The fourth proportional to 27,362.68, 37,764.08 and 15,429.76 is: 21,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,362.68 : 37,764.08 = 15,429.76 : x
  2. Step 2: Convert to fraction form
    27,362.68/37,764.08 = 15,429.76/x
  3. Step 3: Cross multiply
    27,362.68x = 37,764.08 × 15,429.76
  4. Step 4: Simplify right side
    27,362.68x = 582,690,691.02
  5. Step 5: Solve for x
    x = 582,690,691.02/27,362.68
  6. Step 6: Final answer
    x = 21,295.09

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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.