Home / 28,557.94-39,410.04-15,982.69

Finding the Fourth Proportional to 28,557.94, 39,410.04 and 15,982.69

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Solution

The fourth proportional to 28,557.94, 39,410.04 and 15,982.69 is: 22,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.94 : 39,410.04 = 15,982.69 : x
  2. Step 2: Convert to fraction form
    28,557.94/39,410.04 = 15,982.69/x
  3. Step 3: Cross multiply
    28,557.94x = 39,410.04 × 15,982.69
  4. Step 4: Simplify right side
    28,557.94x = 629,878,452.21
  5. Step 5: Solve for x
    x = 629,878,452.21/28,557.94
  6. Step 6: Final answer
    x = 22,056.16

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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.