Home / 21,531.06-32,282.71-10,280.32

Finding the Fourth Proportional to 21,531.06, 32,282.71 and 10,280.32

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Solution

The fourth proportional to 21,531.06, 32,282.71 and 10,280.32 is: 15,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531.06 : 32,282.71 = 10,280.32 : x
  2. Step 2: Convert to fraction form
    21,531.06/32,282.71 = 10,280.32/x
  3. Step 3: Cross multiply
    21,531.06x = 32,282.71 × 10,280.32
  4. Step 4: Simplify right side
    21,531.06x = 331,876,521.41
  5. Step 5: Solve for x
    x = 331,876,521.41/21,531.06
  6. Step 6: Final answer
    x = 15,413.85

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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.