Home / 28,154.72-38,853.53-17,544.39

Finding the Fourth Proportional to 28,154.72, 38,853.53 and 17,544.39

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Solution

The fourth proportional to 28,154.72, 38,853.53 and 17,544.39 is: 24,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.72 : 38,853.53 = 17,544.39 : x
  2. Step 2: Convert to fraction form
    28,154.72/38,853.53 = 17,544.39/x
  3. Step 3: Cross multiply
    28,154.72x = 38,853.53 × 17,544.39
  4. Step 4: Simplify right side
    28,154.72x = 681,661,483.20
  5. Step 5: Solve for x
    x = 681,661,483.20/28,154.72
  6. Step 6: Final answer
    x = 24,211.27

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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.