Home / 28,679.82-39,592.55-17,930.67

Finding the Fourth Proportional to 28,679.82, 39,592.55 and 17,930.67

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Solution

The fourth proportional to 28,679.82, 39,592.55 and 17,930.67 is: 24,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679.82 : 39,592.55 = 17,930.67 : x
  2. Step 2: Convert to fraction form
    28,679.82/39,592.55 = 17,930.67/x
  3. Step 3: Cross multiply
    28,679.82x = 39,592.55 × 17,930.67
  4. Step 4: Simplify right side
    28,679.82x = 709,920,858.86
  5. Step 5: Solve for x
    x = 709,920,858.86/28,679.82
  6. Step 6: Final answer
    x = 24,753.32

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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.