Home / 28,848.76-43,269.52-9,129.32

Finding the Fourth Proportional to 28,848.76, 43,269.52 and 9,129.32

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Solution

The fourth proportional to 28,848.76, 43,269.52 and 9,129.32 is: 13,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.76 : 43,269.52 = 9,129.32 : x
  2. Step 2: Convert to fraction form
    28,848.76/43,269.52 = 9,129.32/x
  3. Step 3: Cross multiply
    28,848.76x = 43,269.52 × 9,129.32
  4. Step 4: Simplify right side
    28,848.76x = 395,021,294.33
  5. Step 5: Solve for x
    x = 395,021,294.33/28,848.76
  6. Step 6: Final answer
    x = 13,692.83

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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.