Home / 27,012.69-37,272.96-15,075.72

Finding the Fourth Proportional to 27,012.69, 37,272.96 and 15,075.72

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Solution

The fourth proportional to 27,012.69, 37,272.96 and 15,075.72 is: 20,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.69 : 37,272.96 = 15,075.72 : x
  2. Step 2: Convert to fraction form
    27,012.69/37,272.96 = 15,075.72/x
  3. Step 3: Cross multiply
    27,012.69x = 37,272.96 × 15,075.72
  4. Step 4: Simplify right side
    27,012.69x = 561,916,708.53
  5. Step 5: Solve for x
    x = 561,916,708.53/27,012.69
  6. Step 6: Final answer
    x = 20,801.95

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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.