Home / 27,256.03-37,611.88-15,318.59

Finding the Fourth Proportional to 27,256.03, 37,611.88 and 15,318.59

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Solution

The fourth proportional to 27,256.03, 37,611.88 and 15,318.59 is: 21,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.03 : 37,611.88 = 15,318.59 : x
  2. Step 2: Convert to fraction form
    27,256.03/37,611.88 = 15,318.59/x
  3. Step 3: Cross multiply
    27,256.03x = 37,611.88 × 15,318.59
  4. Step 4: Simplify right side
    27,256.03x = 576,160,742.49
  5. Step 5: Solve for x
    x = 576,160,742.49/27,256.03
  6. Step 6: Final answer
    x = 21,138.84

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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.