Home / 21,853.36-32,782.20-14,932.72

Finding the Fourth Proportional to 21,853.36, 32,782.20 and 14,932.72

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Solution

The fourth proportional to 21,853.36, 32,782.20 and 14,932.72 is: 22,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853.36 : 32,782.20 = 14,932.72 : x
  2. Step 2: Convert to fraction form
    21,853.36/32,782.20 = 14,932.72/x
  3. Step 3: Cross multiply
    21,853.36x = 32,782.20 × 14,932.72
  4. Step 4: Simplify right side
    21,853.36x = 489,527,413.58
  5. Step 5: Solve for x
    x = 489,527,413.58/21,853.36
  6. Step 6: Final answer
    x = 22,400.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.