Home / 28,413.54-42,565.76-15,895.64

Finding the Fourth Proportional to 28,413.54, 42,565.76 and 15,895.64

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Solution

The fourth proportional to 28,413.54, 42,565.76 and 15,895.64 is: 23,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.54 : 42,565.76 = 15,895.64 : x
  2. Step 2: Convert to fraction form
    28,413.54/42,565.76 = 15,895.64/x
  3. Step 3: Cross multiply
    28,413.54x = 42,565.76 × 15,895.64
  4. Step 4: Simplify right side
    28,413.54x = 676,609,764.59
  5. Step 5: Solve for x
    x = 676,609,764.59/28,413.54
  6. Step 6: Final answer
    x = 23,812.93

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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.