Home / 18,032.21-27,048.32-5,719.25

Finding the Fourth Proportional to 18,032.21, 27,048.32 and 5,719.25

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Solution

The fourth proportional to 18,032.21, 27,048.32 and 5,719.25 is: 8,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.21 : 27,048.32 = 5,719.25 : x
  2. Step 2: Convert to fraction form
    18,032.21/27,048.32 = 5,719.25/x
  3. Step 3: Cross multiply
    18,032.21x = 27,048.32 × 5,719.25
  4. Step 4: Simplify right side
    18,032.21x = 154,696,075.56
  5. Step 5: Solve for x
    x = 154,696,075.56/18,032.21
  6. Step 6: Final answer
    x = 8,578.88

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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.