Home / 27,938.00-41,934.54-20,521.64

Finding the Fourth Proportional to 27,938.00, 41,934.54 and 20,521.64

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Solution

The fourth proportional to 27,938.00, 41,934.54 and 20,521.64 is: 30,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.00 : 41,934.54 = 20,521.64 : x
  2. Step 2: Convert to fraction form
    27,938.00/41,934.54 = 20,521.64/x
  3. Step 3: Cross multiply
    27,938.00x = 41,934.54 × 20,521.64
  4. Step 4: Simplify right side
    27,938.00x = 860,565,377.31
  5. Step 5: Solve for x
    x = 860,565,377.31/27,938.00
  6. Step 6: Final answer
    x = 30,802.69

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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.