Home / 28,054.08-42,110.28-12,482.64

Finding the Fourth Proportional to 28,054.08, 42,110.28 and 12,482.64

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Solution

The fourth proportional to 28,054.08, 42,110.28 and 12,482.64 is: 18,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,054.08 : 42,110.28 = 12,482.64 : x
  2. Step 2: Convert to fraction form
    28,054.08/42,110.28 = 12,482.64/x
  3. Step 3: Cross multiply
    28,054.08x = 42,110.28 × 12,482.64
  4. Step 4: Simplify right side
    28,054.08x = 525,647,465.54
  5. Step 5: Solve for x
    x = 525,647,465.54/28,054.08
  6. Step 6: Final answer
    x = 18,736.93

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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.