Home / 52,286.61-72,155.37-28,413.28

Finding the Fourth Proportional to 52,286.61, 72,155.37 and 28,413.28

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Solution

The fourth proportional to 52,286.61, 72,155.37 and 28,413.28 is: 39,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.61 : 72,155.37 = 28,413.28 : x
  2. Step 2: Convert to fraction form
    52,286.61/72,155.37 = 28,413.28/x
  3. Step 3: Cross multiply
    52,286.61x = 72,155.37 × 28,413.28
  4. Step 4: Simplify right side
    52,286.61x = 2,050,170,731.31
  5. Step 5: Solve for x
    x = 2,050,170,731.31/52,286.61
  6. Step 6: Final answer
    x = 39,210.24

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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.