Home / 28,413.53-39,210.81-16,483.90

Finding the Fourth Proportional to 28,413.53, 39,210.81 and 16,483.90

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Solution

The fourth proportional to 28,413.53, 39,210.81 and 16,483.90 is: 22,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.53 : 39,210.81 = 16,483.90 : x
  2. Step 2: Convert to fraction form
    28,413.53/39,210.81 = 16,483.90/x
  3. Step 3: Cross multiply
    28,413.53x = 39,210.81 × 16,483.90
  4. Step 4: Simplify right side
    28,413.53x = 646,347,070.96
  5. Step 5: Solve for x
    x = 646,347,070.96/28,413.53
  6. Step 6: Final answer
    x = 22,747.86

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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.