Home / 28,907.22-43,339.71-19,523.94

Finding the Fourth Proportional to 28,907.22, 43,339.71 and 19,523.94

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Solution

The fourth proportional to 28,907.22, 43,339.71 and 19,523.94 is: 29,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.22 : 43,339.71 = 19,523.94 : x
  2. Step 2: Convert to fraction form
    28,907.22/43,339.71 = 19,523.94/x
  3. Step 3: Cross multiply
    28,907.22x = 43,339.71 × 19,523.94
  4. Step 4: Simplify right side
    28,907.22x = 846,161,897.66
  5. Step 5: Solve for x
    x = 846,161,897.66/28,907.22
  6. Step 6: Final answer
    x = 29,271.65

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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.