Home / 84,847.08-127,269.38-28,675.20

Finding the Fourth Proportional to 84,847.08, 127,269.38 and 28,675.20

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Solution

The fourth proportional to 84,847.08, 127,269.38 and 28,675.20 is: 43,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.08 : 127,269.38 = 28,675.20 : x
  2. Step 2: Convert to fraction form
    84,847.08/127,269.38 = 28,675.20/x
  3. Step 3: Cross multiply
    84,847.08x = 127,269.38 × 28,675.20
  4. Step 4: Simplify right side
    84,847.08x = 3,649,474,925.38
  5. Step 5: Solve for x
    x = 3,649,474,925.38/84,847.08
  6. Step 6: Final answer
    x = 43,012.38

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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.