Home / 27,090.12-37,383.62-15,153.51

Finding the Fourth Proportional to 27,090.12, 37,383.62 and 15,153.51

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Solution

The fourth proportional to 27,090.12, 37,383.62 and 15,153.51 is: 20,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.12 : 37,383.62 = 15,153.51 : x
  2. Step 2: Convert to fraction form
    27,090.12/37,383.62 = 15,153.51/x
  3. Step 3: Cross multiply
    27,090.12x = 37,383.62 × 15,153.51
  4. Step 4: Simplify right side
    27,090.12x = 566,492,983.74
  5. Step 5: Solve for x
    x = 566,492,983.74/27,090.12
  6. Step 6: Final answer
    x = 20,911.42

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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.