Home / 27,553.87-38,025.14-15,616.81

Finding the Fourth Proportional to 27,553.87, 38,025.14 and 15,616.81

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Solution

The fourth proportional to 27,553.87, 38,025.14 and 15,616.81 is: 21,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.87 : 38,025.14 = 15,616.81 : x
  2. Step 2: Convert to fraction form
    27,553.87/38,025.14 = 15,616.81/x
  3. Step 3: Cross multiply
    27,553.87x = 38,025.14 × 15,616.81
  4. Step 4: Simplify right side
    27,553.87x = 593,831,386.60
  5. Step 5: Solve for x
    x = 593,831,386.60/27,553.87
  6. Step 6: Final answer
    x = 21,551.65

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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.