Home / 28,425.35-42,613.71-10,907.75

Finding the Fourth Proportional to 28,425.35, 42,613.71 and 10,907.75

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Solution

The fourth proportional to 28,425.35, 42,613.71 and 10,907.75 is: 16,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425.35 : 42,613.71 = 10,907.75 : x
  2. Step 2: Convert to fraction form
    28,425.35/42,613.71 = 10,907.75/x
  3. Step 3: Cross multiply
    28,425.35x = 42,613.71 × 10,907.75
  4. Step 4: Simplify right side
    28,425.35x = 464,819,482.18
  5. Step 5: Solve for x
    x = 464,819,482.18/28,425.35
  6. Step 6: Final answer
    x = 16,352.29

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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.