Home / 28,741.49-39,662.62-15,994.18

Finding the Fourth Proportional to 28,741.49, 39,662.62 and 15,994.18

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Solution

The fourth proportional to 28,741.49, 39,662.62 and 15,994.18 is: 22,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.49 : 39,662.62 = 15,994.18 : x
  2. Step 2: Convert to fraction form
    28,741.49/39,662.62 = 15,994.18/x
  3. Step 3: Cross multiply
    28,741.49x = 39,662.62 × 15,994.18
  4. Step 4: Simplify right side
    28,741.49x = 634,371,083.55
  5. Step 5: Solve for x
    x = 634,371,083.55/28,741.49
  6. Step 6: Final answer
    x = 22,071.61

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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.