Home / 27,069.31-37,358.36-15,742.27

Finding the Fourth Proportional to 27,069.31, 37,358.36 and 15,742.27

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Solution

The fourth proportional to 27,069.31, 37,358.36 and 15,742.27 is: 21,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,069.31 : 37,358.36 = 15,742.27 : x
  2. Step 2: Convert to fraction form
    27,069.31/37,358.36 = 15,742.27/x
  3. Step 3: Cross multiply
    27,069.31x = 37,358.36 × 15,742.27
  4. Step 4: Simplify right side
    27,069.31x = 588,105,389.88
  5. Step 5: Solve for x
    x = 588,105,389.88/27,069.31
  6. Step 6: Final answer
    x = 21,725.91

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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.