Home / 27,002.15-40,509.75-10,135.31

Finding the Fourth Proportional to 27,002.15, 40,509.75 and 10,135.31

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Solution

The fourth proportional to 27,002.15, 40,509.75 and 10,135.31 is: 15,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,002.15 : 40,509.75 = 10,135.31 : x
  2. Step 2: Convert to fraction form
    27,002.15/40,509.75 = 10,135.31/x
  3. Step 3: Cross multiply
    27,002.15x = 40,509.75 × 10,135.31
  4. Step 4: Simplify right side
    27,002.15x = 410,578,671.72
  5. Step 5: Solve for x
    x = 410,578,671.72/27,002.15
  6. Step 6: Final answer
    x = 15,205.41

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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.