Home / 28,725.70-43,088.55-9,004.24

Finding the Fourth Proportional to 28,725.70, 43,088.55 and 9,004.24

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Solution

The fourth proportional to 28,725.70, 43,088.55 and 9,004.24 is: 13,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.70 : 43,088.55 = 9,004.24 : x
  2. Step 2: Convert to fraction form
    28,725.70/43,088.55 = 9,004.24/x
  3. Step 3: Cross multiply
    28,725.70x = 43,088.55 × 9,004.24
  4. Step 4: Simplify right side
    28,725.70x = 387,979,645.45
  5. Step 5: Solve for x
    x = 387,979,645.45/28,725.70
  6. Step 6: Final answer
    x = 13,506.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.