Home / 27,667.17-38,180.24-15,730.25

Finding the Fourth Proportional to 27,667.17, 38,180.24 and 15,730.25

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Solution

The fourth proportional to 27,667.17, 38,180.24 and 15,730.25 is: 21,707.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,667.17 : 38,180.24 = 15,730.25 : x
  2. Step 2: Convert to fraction form
    27,667.17/38,180.24 = 15,730.25/x
  3. Step 3: Cross multiply
    27,667.17x = 38,180.24 × 15,730.25
  4. Step 4: Simplify right side
    27,667.17x = 600,584,624.81
  5. Step 5: Solve for x
    x = 600,584,624.81/27,667.17
  6. Step 6: Final answer
    x = 21,707.49

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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.