Home / 28,083.23-42,110.76-9,356.69

Finding the Fourth Proportional to 28,083.23, 42,110.76 and 9,356.69

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Solution

The fourth proportional to 28,083.23, 42,110.76 and 9,356.69 is: 14,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083.23 : 42,110.76 = 9,356.69 : x
  2. Step 2: Convert to fraction form
    28,083.23/42,110.76 = 9,356.69/x
  3. Step 3: Cross multiply
    28,083.23x = 42,110.76 × 9,356.69
  4. Step 4: Simplify right side
    28,083.23x = 394,017,116.43
  5. Step 5: Solve for x
    x = 394,017,116.43/28,083.23
  6. Step 6: Final answer
    x = 14,030.33

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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.