Home / 27,431.73-41,143.95-7,712.28

Finding the Fourth Proportional to 27,431.73, 41,143.95 and 7,712.28

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Solution

The fourth proportional to 27,431.73, 41,143.95 and 7,712.28 is: 11,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.73 : 41,143.95 = 7,712.28 : x
  2. Step 2: Convert to fraction form
    27,431.73/41,143.95 = 7,712.28/x
  3. Step 3: Cross multiply
    27,431.73x = 41,143.95 × 7,712.28
  4. Step 4: Simplify right side
    27,431.73x = 317,313,662.71
  5. Step 5: Solve for x
    x = 317,313,662.71/27,431.73
  6. Step 6: Final answer
    x = 11,567.40

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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.