Home / 28,413.03-39,210.12-16,483.40

Finding the Fourth Proportional to 28,413.03, 39,210.12 and 16,483.40

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Solution

The fourth proportional to 28,413.03, 39,210.12 and 16,483.40 is: 22,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.03 : 39,210.12 = 16,483.40 : x
  2. Step 2: Convert to fraction form
    28,413.03/39,210.12 = 16,483.40/x
  3. Step 3: Cross multiply
    28,413.03x = 39,210.12 × 16,483.40
  4. Step 4: Simplify right side
    28,413.03x = 646,315,895.96
  5. Step 5: Solve for x
    x = 646,315,895.96/28,413.03
  6. Step 6: Final answer
    x = 22,747.17

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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.