Home / 28,413.84-39,210.03-16,477.68

Finding the Fourth Proportional to 28,413.84, 39,210.03 and 16,477.68

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Solution

The fourth proportional to 28,413.84, 39,210.03 and 16,477.68 is: 22,738.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.84 : 39,210.03 = 16,477.68 : x
  2. Step 2: Convert to fraction form
    28,413.84/39,210.03 = 16,477.68/x
  3. Step 3: Cross multiply
    28,413.84x = 39,210.03 × 16,477.68
  4. Step 4: Simplify right side
    28,413.84x = 646,090,327.13
  5. Step 5: Solve for x
    x = 646,090,327.13/28,413.84
  6. Step 6: Final answer
    x = 22,738.58

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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.