Home / 27,157.88-37,479.44-15,225.03

Finding the Fourth Proportional to 27,157.88, 37,479.44 and 15,225.03

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Solution

The fourth proportional to 27,157.88, 37,479.44 and 15,225.03 is: 21,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.88 : 37,479.44 = 15,225.03 : x
  2. Step 2: Convert to fraction form
    27,157.88/37,479.44 = 15,225.03/x
  3. Step 3: Cross multiply
    27,157.88x = 37,479.44 × 15,225.03
  4. Step 4: Simplify right side
    27,157.88x = 570,625,636.45
  5. Step 5: Solve for x
    x = 570,625,636.45/27,157.88
  6. Step 6: Final answer
    x = 21,011.42

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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.