Home / 28,023.36-42,043.14-8,302.44

Finding the Fourth Proportional to 28,023.36, 42,043.14 and 8,302.44

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Solution

The fourth proportional to 28,023.36, 42,043.14 and 8,302.44 is: 12,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.36 : 42,043.14 = 8,302.44 : x
  2. Step 2: Convert to fraction form
    28,023.36/42,043.14 = 8,302.44/x
  3. Step 3: Cross multiply
    28,023.36x = 42,043.14 × 8,302.44
  4. Step 4: Simplify right side
    28,023.36x = 349,060,647.26
  5. Step 5: Solve for x
    x = 349,060,647.26/28,023.36
  6. Step 6: Final answer
    x = 12,456.06

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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.