Home / 27,087.90-37,383.21-15,152.34

Finding the Fourth Proportional to 27,087.90, 37,383.21 and 15,152.34

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Solution

The fourth proportional to 27,087.90, 37,383.21 and 15,152.34 is: 20,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.90 : 37,383.21 = 15,152.34 : x
  2. Step 2: Convert to fraction form
    27,087.90/37,383.21 = 15,152.34/x
  3. Step 3: Cross multiply
    27,087.90x = 37,383.21 × 15,152.34
  4. Step 4: Simplify right side
    27,087.90x = 566,443,108.21
  5. Step 5: Solve for x
    x = 566,443,108.21/27,087.90
  6. Step 6: Final answer
    x = 20,911.30

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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.