Home / 27,710.28-38,240.23-15,773.62

Finding the Fourth Proportional to 27,710.28, 38,240.23 and 15,773.62

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Solution

The fourth proportional to 27,710.28, 38,240.23 and 15,773.62 is: 21,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.28 : 38,240.23 = 15,773.62 : x
  2. Step 2: Convert to fraction form
    27,710.28/38,240.23 = 15,773.62/x
  3. Step 3: Cross multiply
    27,710.28x = 38,240.23 × 15,773.62
  4. Step 4: Simplify right side
    27,710.28x = 603,186,856.73
  5. Step 5: Solve for x
    x = 603,186,856.73/27,710.28
  6. Step 6: Final answer
    x = 21,767.62

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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.