Home / 28,354.41-39,125.16-16,413.39

Finding the Fourth Proportional to 28,354.41, 39,125.16 and 16,413.39

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Solution

The fourth proportional to 28,354.41, 39,125.16 and 16,413.39 is: 22,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.41 : 39,125.16 = 16,413.39 : x
  2. Step 2: Convert to fraction form
    28,354.41/39,125.16 = 16,413.39/x
  3. Step 3: Cross multiply
    28,354.41x = 39,125.16 × 16,413.39
  4. Step 4: Simplify right side
    28,354.41x = 642,176,509.89
  5. Step 5: Solve for x
    x = 642,176,509.89/28,354.41
  6. Step 6: Final answer
    x = 22,648.21

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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.