Home / 38,286.09-52,835.27-21,518.73

Finding the Fourth Proportional to 38,286.09, 52,835.27 and 21,518.73

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Solution

The fourth proportional to 38,286.09, 52,835.27 and 21,518.73 is: 29,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.09 : 52,835.27 = 21,518.73 : x
  2. Step 2: Convert to fraction form
    38,286.09/52,835.27 = 21,518.73/x
  3. Step 3: Cross multiply
    38,286.09x = 52,835.27 × 21,518.73
  4. Step 4: Simplify right side
    38,286.09x = 1,136,947,802.01
  5. Step 5: Solve for x
    x = 1,136,947,802.01/38,286.09
  6. Step 6: Final answer
    x = 29,696.11

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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.