Home / 28,938.08-43,413.66-9,217.76

Finding the Fourth Proportional to 28,938.08, 43,413.66 and 9,217.76

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Solution

The fourth proportional to 28,938.08, 43,413.66 and 9,217.76 is: 13,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.08 : 43,413.66 = 9,217.76 : x
  2. Step 2: Convert to fraction form
    28,938.08/43,413.66 = 9,217.76/x
  3. Step 3: Cross multiply
    28,938.08x = 43,413.66 × 9,217.76
  4. Step 4: Simplify right side
    28,938.08x = 400,176,698.60
  5. Step 5: Solve for x
    x = 400,176,698.60/28,938.08
  6. Step 6: Final answer
    x = 13,828.72

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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.