Home / 28,569.98-39,413.48-18,501.67

Finding the Fourth Proportional to 28,569.98, 39,413.48 and 18,501.67

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Solution

The fourth proportional to 28,569.98, 39,413.48 and 18,501.67 is: 25,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.98 : 39,413.48 = 18,501.67 : x
  2. Step 2: Convert to fraction form
    28,569.98/39,413.48 = 18,501.67/x
  3. Step 3: Cross multiply
    28,569.98x = 39,413.48 × 18,501.67
  4. Step 4: Simplify right side
    28,569.98x = 729,215,003.44
  5. Step 5: Solve for x
    x = 729,215,003.44/28,569.98
  6. Step 6: Final answer
    x = 25,523.82

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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.