Home / 19,489.60-26,889.33-13,825.27

Finding the Fourth Proportional to 19,489.60, 26,889.33 and 13,825.27

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Solution

The fourth proportional to 19,489.60, 26,889.33 and 13,825.27 is: 19,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.60 : 26,889.33 = 13,825.27 : x
  2. Step 2: Convert to fraction form
    19,489.60/26,889.33 = 13,825.27/x
  3. Step 3: Cross multiply
    19,489.60x = 26,889.33 × 13,825.27
  4. Step 4: Simplify right side
    19,489.60x = 371,752,247.37
  5. Step 5: Solve for x
    x = 371,752,247.37/19,489.60
  6. Step 6: Final answer
    x = 19,074.39

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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.