Home / 27,923.60-38,533.20-15,348.08

Finding the Fourth Proportional to 27,923.60, 38,533.20 and 15,348.08

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Solution

The fourth proportional to 27,923.60, 38,533.20 and 15,348.08 is: 21,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.60 : 38,533.20 = 15,348.08 : x
  2. Step 2: Convert to fraction form
    27,923.60/38,533.20 = 15,348.08/x
  3. Step 3: Cross multiply
    27,923.60x = 38,533.20 × 15,348.08
  4. Step 4: Simplify right side
    27,923.60x = 591,410,636.26
  5. Step 5: Solve for x
    x = 591,410,636.26/27,923.60
  6. Step 6: Final answer
    x = 21,179.60

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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.