Home / 28,794.65-39,718.43-19,826.58

Finding the Fourth Proportional to 28,794.65, 39,718.43 and 19,826.58

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Solution

The fourth proportional to 28,794.65, 39,718.43 and 19,826.58 is: 27,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,794.65 : 39,718.43 = 19,826.58 : x
  2. Step 2: Convert to fraction form
    28,794.65/39,718.43 = 19,826.58/x
  3. Step 3: Cross multiply
    28,794.65x = 39,718.43 × 19,826.58
  4. Step 4: Simplify right side
    28,794.65x = 787,480,530.74
  5. Step 5: Solve for x
    x = 787,480,530.74/28,794.65
  6. Step 6: Final answer
    x = 27,348.15

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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.