Home / 28,634.70-42,741.30-26,629.14

Finding the Fourth Proportional to 28,634.70, 42,741.30 and 26,629.14

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Solution

The fourth proportional to 28,634.70, 42,741.30 and 26,629.14 is: 39,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.70 : 42,741.30 = 26,629.14 : x
  2. Step 2: Convert to fraction form
    28,634.70/42,741.30 = 26,629.14/x
  3. Step 3: Cross multiply
    28,634.70x = 42,741.30 × 26,629.14
  4. Step 4: Simplify right side
    28,634.70x = 1,138,164,061.48
  5. Step 5: Solve for x
    x = 1,138,164,061.48/28,634.70
  6. Step 6: Final answer
    x = 39,747.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.