Home / 27,934.81-41,915.85-13,145.20

Finding the Fourth Proportional to 27,934.81, 41,915.85 and 13,145.20

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Solution

The fourth proportional to 27,934.81, 41,915.85 and 13,145.20 is: 19,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,934.81 : 41,915.85 = 13,145.20 : x
  2. Step 2: Convert to fraction form
    27,934.81/41,915.85 = 13,145.20/x
  3. Step 3: Cross multiply
    27,934.81x = 41,915.85 × 13,145.20
  4. Step 4: Simplify right side
    27,934.81x = 550,992,231.42
  5. Step 5: Solve for x
    x = 550,992,231.42/27,934.81
  6. Step 6: Final answer
    x = 19,724.22

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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.