Home / 28,537.75-42,826.07-10,069.75

Finding the Fourth Proportional to 28,537.75, 42,826.07 and 10,069.75

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Solution

The fourth proportional to 28,537.75, 42,826.07 and 10,069.75 is: 15,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.75 : 42,826.07 = 10,069.75 : x
  2. Step 2: Convert to fraction form
    28,537.75/42,826.07 = 10,069.75/x
  3. Step 3: Cross multiply
    28,537.75x = 42,826.07 × 10,069.75
  4. Step 4: Simplify right side
    28,537.75x = 431,247,818.38
  5. Step 5: Solve for x
    x = 431,247,818.38/28,537.75
  6. Step 6: Final answer
    x = 15,111.49

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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.