Home / 34,657.29-47,815.31-28,272.84

Finding the Fourth Proportional to 34,657.29, 47,815.31 and 28,272.84

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Solution

The fourth proportional to 34,657.29, 47,815.31 and 28,272.84 is: 39,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.29 : 47,815.31 = 28,272.84 : x
  2. Step 2: Convert to fraction form
    34,657.29/47,815.31 = 28,272.84/x
  3. Step 3: Cross multiply
    34,657.29x = 47,815.31 × 28,272.84
  4. Step 4: Simplify right side
    34,657.29x = 1,351,874,646.44
  5. Step 5: Solve for x
    x = 1,351,874,646.44/34,657.29
  6. Step 6: Final answer
    x = 39,006.94

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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.