Home / 21,338.45-29,460.93-19,096.47

Finding the Fourth Proportional to 21,338.45, 29,460.93 and 19,096.47

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Solution

The fourth proportional to 21,338.45, 29,460.93 and 19,096.47 is: 26,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338.45 : 29,460.93 = 19,096.47 : x
  2. Step 2: Convert to fraction form
    21,338.45/29,460.93 = 19,096.47/x
  3. Step 3: Cross multiply
    21,338.45x = 29,460.93 × 19,096.47
  4. Step 4: Simplify right side
    21,338.45x = 562,599,765.92
  5. Step 5: Solve for x
    x = 562,599,765.92/21,338.45
  6. Step 6: Final answer
    x = 26,365.55

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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.