Home / 26,751.94-36,917.60-15,421.37

Finding the Fourth Proportional to 26,751.94, 36,917.60 and 15,421.37

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Solution

The fourth proportional to 26,751.94, 36,917.60 and 15,421.37 is: 21,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,751.94 : 36,917.60 = 15,421.37 : x
  2. Step 2: Convert to fraction form
    26,751.94/36,917.60 = 15,421.37/x
  3. Step 3: Cross multiply
    26,751.94x = 36,917.60 × 15,421.37
  4. Step 4: Simplify right side
    26,751.94x = 569,319,915.08
  5. Step 5: Solve for x
    x = 569,319,915.08/26,751.94
  6. Step 6: Final answer
    x = 21,281.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.