Home / 27,018.28-37,289.14-19,489.56

Finding the Fourth Proportional to 27,018.28, 37,289.14 and 19,489.56

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Solution

The fourth proportional to 27,018.28, 37,289.14 and 19,489.56 is: 26,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.28 : 37,289.14 = 19,489.56 : x
  2. Step 2: Convert to fraction form
    27,018.28/37,289.14 = 19,489.56/x
  3. Step 3: Cross multiply
    27,018.28x = 37,289.14 × 19,489.56
  4. Step 4: Simplify right side
    27,018.28x = 726,748,931.38
  5. Step 5: Solve for x
    x = 726,748,931.38/27,018.28
  6. Step 6: Final answer
    x = 26,898.42

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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.