Home / 28,569.26-39,399.18-19,600.94

Finding the Fourth Proportional to 28,569.26, 39,399.18 and 19,600.94

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Solution

The fourth proportional to 28,569.26, 39,399.18 and 19,600.94 is: 27,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.26 : 39,399.18 = 19,600.94 : x
  2. Step 2: Convert to fraction form
    28,569.26/39,399.18 = 19,600.94/x
  3. Step 3: Cross multiply
    28,569.26x = 39,399.18 × 19,600.94
  4. Step 4: Simplify right side
    28,569.26x = 772,260,963.23
  5. Step 5: Solve for x
    x = 772,260,963.23/28,569.26
  6. Step 6: Final answer
    x = 27,031.19

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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.