Home / 27,828.16-41,707.68-13,017.76

Finding the Fourth Proportional to 27,828.16, 41,707.68 and 13,017.76

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Solution

The fourth proportional to 27,828.16, 41,707.68 and 13,017.76 is: 19,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.16 : 41,707.68 = 13,017.76 : x
  2. Step 2: Convert to fraction form
    27,828.16/41,707.68 = 13,017.76/x
  3. Step 3: Cross multiply
    27,828.16x = 41,707.68 × 13,017.76
  4. Step 4: Simplify right side
    27,828.16x = 542,940,568.40
  5. Step 5: Solve for x
    x = 542,940,568.40/27,828.16
  6. Step 6: Final answer
    x = 19,510.47

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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.