Home / 28,584.56-42,886.92-8,868.08

Finding the Fourth Proportional to 28,584.56, 42,886.92 and 8,868.08

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Solution

The fourth proportional to 28,584.56, 42,886.92 and 8,868.08 is: 13,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.56 : 42,886.92 = 8,868.08 : x
  2. Step 2: Convert to fraction form
    28,584.56/42,886.92 = 8,868.08/x
  3. Step 3: Cross multiply
    28,584.56x = 42,886.92 × 8,868.08
  4. Step 4: Simplify right side
    28,584.56x = 380,324,637.51
  5. Step 5: Solve for x
    x = 380,324,637.51/28,584.56
  6. Step 6: Final answer
    x = 13,305.25

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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.