Home / 25,518.74-38,131.72-19,481.41

Finding the Fourth Proportional to 25,518.74, 38,131.72 and 19,481.41

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Solution

The fourth proportional to 25,518.74, 38,131.72 and 19,481.41 is: 29,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.74 : 38,131.72 = 19,481.41 : x
  2. Step 2: Convert to fraction form
    25,518.74/38,131.72 = 19,481.41/x
  3. Step 3: Cross multiply
    25,518.74x = 38,131.72 × 19,481.41
  4. Step 4: Simplify right side
    25,518.74x = 742,859,480.67
  5. Step 5: Solve for x
    x = 742,859,480.67/25,518.74
  6. Step 6: Final answer
    x = 29,110.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.