Home / 27,684.60-38,201.32-15,583.61

Finding the Fourth Proportional to 27,684.60, 38,201.32 and 15,583.61

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Solution

The fourth proportional to 27,684.60, 38,201.32 and 15,583.61 is: 21,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,684.60 : 38,201.32 = 15,583.61 : x
  2. Step 2: Convert to fraction form
    27,684.60/38,201.32 = 15,583.61/x
  3. Step 3: Cross multiply
    27,684.60x = 38,201.32 × 15,583.61
  4. Step 4: Simplify right side
    27,684.60x = 595,314,372.47
  5. Step 5: Solve for x
    x = 595,314,372.47/27,684.60
  6. Step 6: Final answer
    x = 21,503.45

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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.