Home / 27,031.60-37,280.28-25,456.96

Finding the Fourth Proportional to 27,031.60, 37,280.28 and 25,456.96

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Solution

The fourth proportional to 27,031.60, 37,280.28 and 25,456.96 is: 35,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.60 : 37,280.28 = 25,456.96 : x
  2. Step 2: Convert to fraction form
    27,031.60/37,280.28 = 25,456.96/x
  3. Step 3: Cross multiply
    27,031.60x = 37,280.28 × 25,456.96
  4. Step 4: Simplify right side
    27,031.60x = 949,042,596.75
  5. Step 5: Solve for x
    x = 949,042,596.75/27,031.60
  6. Step 6: Final answer
    x = 35,108.64

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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.