Home / 28,777.68-39,707.82-16,841.52

Finding the Fourth Proportional to 28,777.68, 39,707.82 and 16,841.52

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Solution

The fourth proportional to 28,777.68, 39,707.82 and 16,841.52 is: 23,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.68 : 39,707.82 = 16,841.52 : x
  2. Step 2: Convert to fraction form
    28,777.68/39,707.82 = 16,841.52/x
  3. Step 3: Cross multiply
    28,777.68x = 39,707.82 × 16,841.52
  4. Step 4: Simplify right side
    28,777.68x = 668,740,044.69
  5. Step 5: Solve for x
    x = 668,740,044.69/28,777.68
  6. Step 6: Final answer
    x = 23,238.15

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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.