Home / 28,548.36-42,822.54-8,826.48

Finding the Fourth Proportional to 28,548.36, 42,822.54 and 8,826.48

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Solution

The fourth proportional to 28,548.36, 42,822.54 and 8,826.48 is: 13,239.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.36 : 42,822.54 = 8,826.48 : x
  2. Step 2: Convert to fraction form
    28,548.36/42,822.54 = 8,826.48/x
  3. Step 3: Cross multiply
    28,548.36x = 42,822.54 × 8,826.48
  4. Step 4: Simplify right side
    28,548.36x = 377,972,292.86
  5. Step 5: Solve for x
    x = 377,972,292.86/28,548.36
  6. Step 6: Final answer
    x = 13,239.72

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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.