Home / 28,653.39-39,544.02-15,907.35

Finding the Fourth Proportional to 28,653.39, 39,544.02 and 15,907.35

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Solution

The fourth proportional to 28,653.39, 39,544.02 and 15,907.35 is: 21,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.39 : 39,544.02 = 15,907.35 : x
  2. Step 2: Convert to fraction form
    28,653.39/39,544.02 = 15,907.35/x
  3. Step 3: Cross multiply
    28,653.39x = 39,544.02 × 15,907.35
  4. Step 4: Simplify right side
    28,653.39x = 629,040,566.55
  5. Step 5: Solve for x
    x = 629,040,566.55/28,653.39
  6. Step 6: Final answer
    x = 21,953.44

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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.