Home / 27,681.48-38,202.30-17,071.56

Finding the Fourth Proportional to 27,681.48, 38,202.30 and 17,071.56

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Solution

The fourth proportional to 27,681.48, 38,202.30 and 17,071.56 is: 23,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.48 : 38,202.30 = 17,071.56 : x
  2. Step 2: Convert to fraction form
    27,681.48/38,202.30 = 17,071.56/x
  3. Step 3: Cross multiply
    27,681.48x = 38,202.30 × 17,071.56
  4. Step 4: Simplify right side
    27,681.48x = 652,172,856.59
  5. Step 5: Solve for x
    x = 652,172,856.59/27,681.48
  6. Step 6: Final answer
    x = 23,559.90

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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.