Home / 19,394.25-26,776.62-15,137.97

Finding the Fourth Proportional to 19,394.25, 26,776.62 and 15,137.97

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Solution

The fourth proportional to 19,394.25, 26,776.62 and 15,137.97 is: 20,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.25 : 26,776.62 = 15,137.97 : x
  2. Step 2: Convert to fraction form
    19,394.25/26,776.62 = 15,137.97/x
  3. Step 3: Cross multiply
    19,394.25x = 26,776.62 × 15,137.97
  4. Step 4: Simplify right side
    19,394.25x = 405,343,670.26
  5. Step 5: Solve for x
    x = 405,343,670.26/19,394.25
  6. Step 6: Final answer
    x = 20,900.20

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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.