Home / 27,117.06-37,421.16-15,016.38

Finding the Fourth Proportional to 27,117.06, 37,421.16 and 15,016.38

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Solution

The fourth proportional to 27,117.06, 37,421.16 and 15,016.38 is: 20,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.06 : 37,421.16 = 15,016.38 : x
  2. Step 2: Convert to fraction form
    27,117.06/37,421.16 = 15,016.38/x
  3. Step 3: Cross multiply
    27,117.06x = 37,421.16 × 15,016.38
  4. Step 4: Simplify right side
    27,117.06x = 561,930,358.60
  5. Step 5: Solve for x
    x = 561,930,358.60/27,117.06
  6. Step 6: Final answer
    x = 20,722.39

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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.