Home / 19,579.73-27,019.78-10,627.20

Finding the Fourth Proportional to 19,579.73, 27,019.78 and 10,627.20

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Solution

The fourth proportional to 19,579.73, 27,019.78 and 10,627.20 is: 14,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.73 : 27,019.78 = 10,627.20 : x
  2. Step 2: Convert to fraction form
    19,579.73/27,019.78 = 10,627.20/x
  3. Step 3: Cross multiply
    19,579.73x = 27,019.78 × 10,627.20
  4. Step 4: Simplify right side
    19,579.73x = 287,144,579.45
  5. Step 5: Solve for x
    x = 287,144,579.45/19,579.73
  6. Step 6: Final answer
    x = 14,665.40

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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.