Home / 19,030.05-28,548.12-5,879.34

Finding the Fourth Proportional to 19,030.05, 28,548.12 and 5,879.34

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Solution

The fourth proportional to 19,030.05, 28,548.12 and 5,879.34 is: 8,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.05 : 28,548.12 = 5,879.34 : x
  2. Step 2: Convert to fraction form
    19,030.05/28,548.12 = 5,879.34/x
  3. Step 3: Cross multiply
    19,030.05x = 28,548.12 × 5,879.34
  4. Step 4: Simplify right side
    19,030.05x = 167,844,103.84
  5. Step 5: Solve for x
    x = 167,844,103.84/19,030.05
  6. Step 6: Final answer
    x = 8,819.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.