Home / 27,725.83-38,263.46-15,629.29

Finding the Fourth Proportional to 27,725.83, 38,263.46 and 15,629.29

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Solution

The fourth proportional to 27,725.83, 38,263.46 and 15,629.29 is: 21,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.83 : 38,263.46 = 15,629.29 : x
  2. Step 2: Convert to fraction form
    27,725.83/38,263.46 = 15,629.29/x
  3. Step 3: Cross multiply
    27,725.83x = 38,263.46 × 15,629.29
  4. Step 4: Simplify right side
    27,725.83x = 598,030,712.74
  5. Step 5: Solve for x
    x = 598,030,712.74/27,725.83
  6. Step 6: Final answer
    x = 21,569.44

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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.