Home / 27,129.39-37,441.01-15,031.04

Finding the Fourth Proportional to 27,129.39, 37,441.01 and 15,031.04

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Solution

The fourth proportional to 27,129.39, 37,441.01 and 15,031.04 is: 20,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.39 : 37,441.01 = 15,031.04 : x
  2. Step 2: Convert to fraction form
    27,129.39/37,441.01 = 15,031.04/x
  3. Step 3: Cross multiply
    27,129.39x = 37,441.01 × 15,031.04
  4. Step 4: Simplify right side
    27,129.39x = 562,777,169.32
  5. Step 5: Solve for x
    x = 562,777,169.32/27,129.39
  6. Step 6: Final answer
    x = 20,744.19

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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.