Home / 28,505.57-39,351.71-17,901.05

Finding the Fourth Proportional to 28,505.57, 39,351.71 and 17,901.05

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Solution

The fourth proportional to 28,505.57, 39,351.71 and 17,901.05 is: 24,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,505.57 : 39,351.71 = 17,901.05 : x
  2. Step 2: Convert to fraction form
    28,505.57/39,351.71 = 17,901.05/x
  3. Step 3: Cross multiply
    28,505.57x = 39,351.71 × 17,901.05
  4. Step 4: Simplify right side
    28,505.57x = 704,436,829.92
  5. Step 5: Solve for x
    x = 704,436,829.92/28,505.57
  6. Step 6: Final answer
    x = 24,712.25

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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.