Home / 27,606.81-38,097.39-15,031.56

Finding the Fourth Proportional to 27,606.81, 38,097.39 and 15,031.56

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Solution

The fourth proportional to 27,606.81, 38,097.39 and 15,031.56 is: 20,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.81 : 38,097.39 = 15,031.56 : x
  2. Step 2: Convert to fraction form
    27,606.81/38,097.39 = 15,031.56/x
  3. Step 3: Cross multiply
    27,606.81x = 38,097.39 × 15,031.56
  4. Step 4: Simplify right side
    27,606.81x = 572,663,203.63
  5. Step 5: Solve for x
    x = 572,663,203.63/27,606.81
  6. Step 6: Final answer
    x = 20,743.55

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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.