Home / 28,169.87-42,202.80-24,430.10

Finding the Fourth Proportional to 28,169.87, 42,202.80 and 24,430.10

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Solution

The fourth proportional to 28,169.87, 42,202.80 and 24,430.10 is: 36,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.87 : 42,202.80 = 24,430.10 : x
  2. Step 2: Convert to fraction form
    28,169.87/42,202.80 = 24,430.10/x
  3. Step 3: Cross multiply
    28,169.87x = 42,202.80 × 24,430.10
  4. Step 4: Simplify right side
    28,169.87x = 1,031,018,413.27
  5. Step 5: Solve for x
    x = 1,031,018,413.27/28,169.87
  6. Step 6: Final answer
    x = 36,600.05

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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.