Home / 27,947.62-38,567.54-15,850.40

Finding the Fourth Proportional to 27,947.62, 38,567.54 and 15,850.40

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Solution

The fourth proportional to 27,947.62, 38,567.54 and 15,850.40 is: 21,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,947.62 : 38,567.54 = 15,850.40 : x
  2. Step 2: Convert to fraction form
    27,947.62/38,567.54 = 15,850.40/x
  3. Step 3: Cross multiply
    27,947.62x = 38,567.54 × 15,850.40
  4. Step 4: Simplify right side
    27,947.62x = 611,310,936.02
  5. Step 5: Solve for x
    x = 611,310,936.02/27,947.62
  6. Step 6: Final answer
    x = 21,873.45

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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.