Home / 27,749.74-38,307.13-17,691.67

Finding the Fourth Proportional to 27,749.74, 38,307.13 and 17,691.67

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Solution

The fourth proportional to 27,749.74, 38,307.13 and 17,691.67 is: 24,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749.74 : 38,307.13 = 17,691.67 : x
  2. Step 2: Convert to fraction form
    27,749.74/38,307.13 = 17,691.67/x
  3. Step 3: Cross multiply
    27,749.74x = 38,307.13 × 17,691.67
  4. Step 4: Simplify right side
    27,749.74x = 677,716,890.78
  5. Step 5: Solve for x
    x = 677,716,890.78/27,749.74
  6. Step 6: Final answer
    x = 24,422.46

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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.