Home / 28,506.87-39,349.26-19,583.91

Finding the Fourth Proportional to 28,506.87, 39,349.26 and 19,583.91

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Solution

The fourth proportional to 28,506.87, 39,349.26 and 19,583.91 is: 27,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.87 : 39,349.26 = 19,583.91 : x
  2. Step 2: Convert to fraction form
    28,506.87/39,349.26 = 19,583.91/x
  3. Step 3: Cross multiply
    28,506.87x = 39,349.26 × 19,583.91
  4. Step 4: Simplify right side
    28,506.87x = 770,612,366.41
  5. Step 5: Solve for x
    x = 770,612,366.41/28,506.87
  6. Step 6: Final answer
    x = 27,032.51

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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.