Home / 27,846.28-38,427.87-15,271.03

Finding the Fourth Proportional to 27,846.28, 38,427.87 and 15,271.03

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Solution

The fourth proportional to 27,846.28, 38,427.87 and 15,271.03 is: 21,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.28 : 38,427.87 = 15,271.03 : x
  2. Step 2: Convert to fraction form
    27,846.28/38,427.87 = 15,271.03/x
  3. Step 3: Cross multiply
    27,846.28x = 38,427.87 × 15,271.03
  4. Step 4: Simplify right side
    27,846.28x = 586,833,175.01
  5. Step 5: Solve for x
    x = 586,833,175.01/27,846.28
  6. Step 6: Final answer
    x = 21,074.02

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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.