Home / 27,289.98-40,848.42-17,907.78

Finding the Fourth Proportional to 27,289.98, 40,848.42 and 17,907.78

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Solution

The fourth proportional to 27,289.98, 40,848.42 and 17,907.78 is: 26,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.98 : 40,848.42 = 17,907.78 : x
  2. Step 2: Convert to fraction form
    27,289.98/40,848.42 = 17,907.78/x
  3. Step 3: Cross multiply
    27,289.98x = 40,848.42 × 17,907.78
  4. Step 4: Simplify right side
    27,289.98x = 731,504,518.71
  5. Step 5: Solve for x
    x = 731,504,518.71/27,289.98
  6. Step 6: Final answer
    x = 26,804.88

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1.5x scale

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.