Home / 28,830.08-43,258.46-11,054.79

Finding the Fourth Proportional to 28,830.08, 43,258.46 and 11,054.79

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Solution

The fourth proportional to 28,830.08, 43,258.46 and 11,054.79 is: 16,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.08 : 43,258.46 = 11,054.79 : x
  2. Step 2: Convert to fraction form
    28,830.08/43,258.46 = 11,054.79/x
  3. Step 3: Cross multiply
    28,830.08x = 43,258.46 × 11,054.79
  4. Step 4: Simplify right side
    28,830.08x = 478,213,135.75
  5. Step 5: Solve for x
    x = 478,213,135.75/28,830.08
  6. Step 6: Final answer
    x = 16,587.30

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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.