Home / 27,925.92-38,540.88-15,350.40

Finding the Fourth Proportional to 27,925.92, 38,540.88 and 15,350.40

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Solution

The fourth proportional to 27,925.92, 38,540.88 and 15,350.40 is: 21,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.92 : 38,540.88 = 15,350.40 : x
  2. Step 2: Convert to fraction form
    27,925.92/38,540.88 = 15,350.40/x
  3. Step 3: Cross multiply
    27,925.92x = 38,540.88 × 15,350.40
  4. Step 4: Simplify right side
    27,925.92x = 591,617,924.35
  5. Step 5: Solve for x
    x = 591,617,924.35/27,925.92
  6. Step 6: Final answer
    x = 21,185.26

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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.