Home / 28,413.36-42,565.48-15,895.45

Finding the Fourth Proportional to 28,413.36, 42,565.48 and 15,895.45

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Solution

The fourth proportional to 28,413.36, 42,565.48 and 15,895.45 is: 23,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,413.36 : 42,565.48 = 15,895.45 : x
  2. Step 2: Convert to fraction form
    28,413.36/42,565.48 = 15,895.45/x
  3. Step 3: Cross multiply
    28,413.36x = 42,565.48 × 15,895.45
  4. Step 4: Simplify right side
    28,413.36x = 676,597,312.91
  5. Step 5: Solve for x
    x = 676,597,312.91/28,413.36
  6. Step 6: Final answer
    x = 23,812.65

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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.