Home / 19,415.26-26,792.75-10,917.39

Finding the Fourth Proportional to 19,415.26, 26,792.75 and 10,917.39

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Solution

The fourth proportional to 19,415.26, 26,792.75 and 10,917.39 is: 15,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.26 : 26,792.75 = 10,917.39 : x
  2. Step 2: Convert to fraction form
    19,415.26/26,792.75 = 10,917.39/x
  3. Step 3: Cross multiply
    19,415.26x = 26,792.75 × 10,917.39
  4. Step 4: Simplify right side
    19,415.26x = 292,506,900.92
  5. Step 5: Solve for x
    x = 292,506,900.92/19,415.26
  6. Step 6: Final answer
    x = 15,065.82

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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.