Home / 28,865.05-39,829.49-17,528.65

Finding the Fourth Proportional to 28,865.05, 39,829.49 and 17,528.65

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Solution

The fourth proportional to 28,865.05, 39,829.49 and 17,528.65 is: 24,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.05 : 39,829.49 = 17,528.65 : x
  2. Step 2: Convert to fraction form
    28,865.05/39,829.49 = 17,528.65/x
  3. Step 3: Cross multiply
    28,865.05x = 39,829.49 × 17,528.65
  4. Step 4: Simplify right side
    28,865.05x = 698,157,134.14
  5. Step 5: Solve for x
    x = 698,157,134.14/28,865.05
  6. Step 6: Final answer
    x = 24,186.94

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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.