Home / 19,415.71-26,793.44-10,919.26

Finding the Fourth Proportional to 19,415.71, 26,793.44 and 10,919.26

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Solution

The fourth proportional to 19,415.71, 26,793.44 and 10,919.26 is: 15,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.71 : 26,793.44 = 10,919.26 : x
  2. Step 2: Convert to fraction form
    19,415.71/26,793.44 = 10,919.26/x
  3. Step 3: Cross multiply
    19,415.71x = 26,793.44 × 10,919.26
  4. Step 4: Simplify right side
    19,415.71x = 292,564,537.65
  5. Step 5: Solve for x
    x = 292,564,537.65/19,415.71
  6. Step 6: Final answer
    x = 15,068.44

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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.