Home / 28,608.69-42,870.77-27,009.32

Finding the Fourth Proportional to 28,608.69, 42,870.77 and 27,009.32

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Solution

The fourth proportional to 28,608.69, 42,870.77 and 27,009.32 is: 40,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.69 : 42,870.77 = 27,009.32 : x
  2. Step 2: Convert to fraction form
    28,608.69/42,870.77 = 27,009.32/x
  3. Step 3: Cross multiply
    28,608.69x = 42,870.77 × 27,009.32
  4. Step 4: Simplify right side
    28,608.69x = 1,157,910,459.18
  5. Step 5: Solve for x
    x = 1,157,910,459.18/28,608.69
  6. Step 6: Final answer
    x = 40,474.08

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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.