Home / 27,856.49-41,745.45-15,382.13

Finding the Fourth Proportional to 27,856.49, 41,745.45 and 15,382.13

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Solution

The fourth proportional to 27,856.49, 41,745.45 and 15,382.13 is: 23,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.49 : 41,745.45 = 15,382.13 : x
  2. Step 2: Convert to fraction form
    27,856.49/41,745.45 = 15,382.13/x
  3. Step 3: Cross multiply
    27,856.49x = 41,745.45 × 15,382.13
  4. Step 4: Simplify right side
    27,856.49x = 642,133,938.81
  5. Step 5: Solve for x
    x = 642,133,938.81/27,856.49
  6. Step 6: Final answer
    x = 23,051.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.