Home / 27,477.73-37,918.82-15,540.62

Finding the Fourth Proportional to 27,477.73, 37,918.82 and 15,540.62

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Solution

The fourth proportional to 27,477.73, 37,918.82 and 15,540.62 is: 21,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.73 : 37,918.82 = 15,540.62 : x
  2. Step 2: Convert to fraction form
    27,477.73/37,918.82 = 15,540.62/x
  3. Step 3: Cross multiply
    27,477.73x = 37,918.82 × 15,540.62
  4. Step 4: Simplify right side
    27,477.73x = 589,281,972.47
  5. Step 5: Solve for x
    x = 589,281,972.47/27,477.73
  6. Step 6: Final answer
    x = 21,445.80

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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.