Home / 18,235.78-27,358.28-5,088.15

Finding the Fourth Proportional to 18,235.78, 27,358.28 and 5,088.15

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Solution

The fourth proportional to 18,235.78, 27,358.28 and 5,088.15 is: 7,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.78 : 27,358.28 = 5,088.15 : x
  2. Step 2: Convert to fraction form
    18,235.78/27,358.28 = 5,088.15/x
  3. Step 3: Cross multiply
    18,235.78x = 27,358.28 × 5,088.15
  4. Step 4: Simplify right side
    18,235.78x = 139,203,032.38
  5. Step 5: Solve for x
    x = 139,203,032.38/18,235.78
  6. Step 6: Final answer
    x = 7,633.51

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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.