Home / 28,984.65-39,998.75-16,410.57

Finding the Fourth Proportional to 28,984.65, 39,998.75 and 16,410.57

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Solution

The fourth proportional to 28,984.65, 39,998.75 and 16,410.57 is: 22,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.65 : 39,998.75 = 16,410.57 : x
  2. Step 2: Convert to fraction form
    28,984.65/39,998.75 = 16,410.57/x
  3. Step 3: Cross multiply
    28,984.65x = 39,998.75 × 16,410.57
  4. Step 4: Simplify right side
    28,984.65x = 656,402,286.79
  5. Step 5: Solve for x
    x = 656,402,286.79/28,984.65
  6. Step 6: Final answer
    x = 22,646.55

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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.