Home / 21,335.40-32,003.02-16,413.80

Finding the Fourth Proportional to 21,335.40, 32,003.02 and 16,413.80

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Solution

The fourth proportional to 21,335.40, 32,003.02 and 16,413.80 is: 24,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.40 : 32,003.02 = 16,413.80 : x
  2. Step 2: Convert to fraction form
    21,335.40/32,003.02 = 16,413.80/x
  3. Step 3: Cross multiply
    21,335.40x = 32,003.02 × 16,413.80
  4. Step 4: Simplify right side
    21,335.40x = 525,291,169.68
  5. Step 5: Solve for x
    x = 525,291,169.68/21,335.40
  6. Step 6: Final answer
    x = 24,620.64

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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.