Home / 27,324.78-40,987.20-7,603.38

Finding the Fourth Proportional to 27,324.78, 40,987.20 and 7,603.38

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Solution

The fourth proportional to 27,324.78, 40,987.20 and 7,603.38 is: 11,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.78 : 40,987.20 = 7,603.38 : x
  2. Step 2: Convert to fraction form
    27,324.78/40,987.20 = 7,603.38/x
  3. Step 3: Cross multiply
    27,324.78x = 40,987.20 × 7,603.38
  4. Step 4: Simplify right side
    27,324.78x = 311,641,256.74
  5. Step 5: Solve for x
    x = 311,641,256.74/27,324.78
  6. Step 6: Final answer
    x = 11,405.08

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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.