Home / 27,366.41-37,765.13-15,429.76

Finding the Fourth Proportional to 27,366.41, 37,765.13 and 15,429.76

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Solution

The fourth proportional to 27,366.41, 37,765.13 and 15,429.76 is: 21,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,366.41 : 37,765.13 = 15,429.76 : x
  2. Step 2: Convert to fraction form
    27,366.41/37,765.13 = 15,429.76/x
  3. Step 3: Cross multiply
    27,366.41x = 37,765.13 × 15,429.76
  4. Step 4: Simplify right side
    27,366.41x = 582,706,720.71
  5. Step 5: Solve for x
    x = 582,706,720.71/27,366.41
  6. Step 6: Final answer
    x = 21,292.77

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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.