Home / 27,285.98-37,656.83-15,348.60

Finding the Fourth Proportional to 27,285.98, 37,656.83 and 15,348.60

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Solution

The fourth proportional to 27,285.98, 37,656.83 and 15,348.60 is: 21,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.98 : 37,656.83 = 15,348.60 : x
  2. Step 2: Convert to fraction form
    27,285.98/37,656.83 = 15,348.60/x
  3. Step 3: Cross multiply
    27,285.98x = 37,656.83 × 15,348.60
  4. Step 4: Simplify right side
    27,285.98x = 577,979,659.31
  5. Step 5: Solve for x
    x = 577,979,659.31/27,285.98
  6. Step 6: Final answer
    x = 21,182.30

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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.