Home / 28,291.00-42,431.03-26,886.05

Finding the Fourth Proportional to 28,291.00, 42,431.03 and 26,886.05

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Solution

The fourth proportional to 28,291.00, 42,431.03 and 26,886.05 is: 40,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,291.00 : 42,431.03 = 26,886.05 : x
  2. Step 2: Convert to fraction form
    28,291.00/42,431.03 = 26,886.05/x
  3. Step 3: Cross multiply
    28,291.00x = 42,431.03 × 26,886.05
  4. Step 4: Simplify right side
    28,291.00x = 1,140,802,659.70
  5. Step 5: Solve for x
    x = 1,140,802,659.70/28,291.00
  6. Step 6: Final answer
    x = 40,323.88

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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.