Home / 28,828.26-39,785.63-17,500.64

Finding the Fourth Proportional to 28,828.26, 39,785.63 and 17,500.64

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Solution

The fourth proportional to 28,828.26, 39,785.63 and 17,500.64 is: 24,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.26 : 39,785.63 = 17,500.64 : x
  2. Step 2: Convert to fraction form
    28,828.26/39,785.63 = 17,500.64/x
  3. Step 3: Cross multiply
    28,828.26x = 39,785.63 × 17,500.64
  4. Step 4: Simplify right side
    28,828.26x = 696,273,701.37
  5. Step 5: Solve for x
    x = 696,273,701.37/28,828.26
  6. Step 6: Final answer
    x = 24,152.47

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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.