Home / 20,592.53-28,417.38-11,639.72

Finding the Fourth Proportional to 20,592.53, 28,417.38 and 11,639.72

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Solution

The fourth proportional to 20,592.53, 28,417.38 and 11,639.72 is: 16,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.53 : 28,417.38 = 11,639.72 : x
  2. Step 2: Convert to fraction form
    20,592.53/28,417.38 = 11,639.72/x
  3. Step 3: Cross multiply
    20,592.53x = 28,417.38 × 11,639.72
  4. Step 4: Simplify right side
    20,592.53x = 330,770,279.35
  5. Step 5: Solve for x
    x = 330,770,279.35/20,592.53
  6. Step 6: Final answer
    x = 16,062.64

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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.