Home / 19,439.25-26,829.41-14,715.33

Finding the Fourth Proportional to 19,439.25, 26,829.41 and 14,715.33

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Solution

The fourth proportional to 19,439.25, 26,829.41 and 14,715.33 is: 20,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.25 : 26,829.41 = 14,715.33 : x
  2. Step 2: Convert to fraction form
    19,439.25/26,829.41 = 14,715.33/x
  3. Step 3: Cross multiply
    19,439.25x = 26,829.41 × 14,715.33
  4. Step 4: Simplify right side
    19,439.25x = 394,803,548.28
  5. Step 5: Solve for x
    x = 394,803,548.28/19,439.25
  6. Step 6: Final answer
    x = 20,309.61

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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.