Home / 27,563.54-38,038.05-15,626.61

Finding the Fourth Proportional to 27,563.54, 38,038.05 and 15,626.61

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Solution

The fourth proportional to 27,563.54, 38,038.05 and 15,626.61 is: 21,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.54 : 38,038.05 = 15,626.61 : x
  2. Step 2: Convert to fraction form
    27,563.54/38,038.05 = 15,626.61/x
  3. Step 3: Cross multiply
    27,563.54x = 38,038.05 × 15,626.61
  4. Step 4: Simplify right side
    27,563.54x = 594,405,772.51
  5. Step 5: Solve for x
    x = 594,405,772.51/27,563.54
  6. Step 6: Final answer
    x = 21,564.93

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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.