Home / 28,525.07-39,364.71-15,949.82

Finding the Fourth Proportional to 28,525.07, 39,364.71 and 15,949.82

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Solution

The fourth proportional to 28,525.07, 39,364.71 and 15,949.82 is: 22,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.07 : 39,364.71 = 15,949.82 : x
  2. Step 2: Convert to fraction form
    28,525.07/39,364.71 = 15,949.82/x
  3. Step 3: Cross multiply
    28,525.07x = 39,364.71 × 15,949.82
  4. Step 4: Simplify right side
    28,525.07x = 627,860,038.85
  5. Step 5: Solve for x
    x = 627,860,038.85/28,525.07
  6. Step 6: Final answer
    x = 22,010.82

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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.