Home / 28,075.38-38,747.78-27,152.28

Finding the Fourth Proportional to 28,075.38, 38,747.78 and 27,152.28

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Solution

The fourth proportional to 28,075.38, 38,747.78 and 27,152.28 is: 37,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.38 : 38,747.78 = 27,152.28 : x
  2. Step 2: Convert to fraction form
    28,075.38/38,747.78 = 27,152.28/x
  3. Step 3: Cross multiply
    28,075.38x = 38,747.78 × 27,152.28
  4. Step 4: Simplify right side
    28,075.38x = 1,052,090,683.30
  5. Step 5: Solve for x
    x = 1,052,090,683.30/28,075.38
  6. Step 6: Final answer
    x = 37,473.78

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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.