Home / 27,276.08-37,641.04-15,339.44

Finding the Fourth Proportional to 27,276.08, 37,641.04 and 15,339.44

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Solution

The fourth proportional to 27,276.08, 37,641.04 and 15,339.44 is: 21,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.08 : 37,641.04 = 15,339.44 : x
  2. Step 2: Convert to fraction form
    27,276.08/37,641.04 = 15,339.44/x
  3. Step 3: Cross multiply
    27,276.08x = 37,641.04 × 15,339.44
  4. Step 4: Simplify right side
    27,276.08x = 577,392,530.37
  5. Step 5: Solve for x
    x = 577,392,530.37/27,276.08
  6. Step 6: Final answer
    x = 21,168.46

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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.