Home / 28,534.50-42,800.94-8,810.19

Finding the Fourth Proportional to 28,534.50, 42,800.94 and 8,810.19

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Solution

The fourth proportional to 28,534.50, 42,800.94 and 8,810.19 is: 13,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534.50 : 42,800.94 = 8,810.19 : x
  2. Step 2: Convert to fraction form
    28,534.50/42,800.94 = 8,810.19/x
  3. Step 3: Cross multiply
    28,534.50x = 42,800.94 × 8,810.19
  4. Step 4: Simplify right side
    28,534.50x = 377,084,413.58
  5. Step 5: Solve for x
    x = 377,084,413.58/28,534.50
  6. Step 6: Final answer
    x = 13,215.03

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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.