Home / 23,060.64-31,818.03-15,388.83

Finding the Fourth Proportional to 23,060.64, 31,818.03 and 15,388.83

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Solution

The fourth proportional to 23,060.64, 31,818.03 and 15,388.83 is: 21,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,060.64 : 31,818.03 = 15,388.83 : x
  2. Step 2: Convert to fraction form
    23,060.64/31,818.03 = 15,388.83/x
  3. Step 3: Cross multiply
    23,060.64x = 31,818.03 × 15,388.83
  4. Step 4: Simplify right side
    23,060.64x = 489,642,254.60
  5. Step 5: Solve for x
    x = 489,642,254.60/23,060.64
  6. Step 6: Final answer
    x = 21,232.81

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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.