Home / 28,010.46-42,014.84-11,370.09

Finding the Fourth Proportional to 28,010.46, 42,014.84 and 11,370.09

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Solution

The fourth proportional to 28,010.46, 42,014.84 and 11,370.09 is: 17,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.46 : 42,014.84 = 11,370.09 : x
  2. Step 2: Convert to fraction form
    28,010.46/42,014.84 = 11,370.09/x
  3. Step 3: Cross multiply
    28,010.46x = 42,014.84 × 11,370.09
  4. Step 4: Simplify right side
    28,010.46x = 477,712,512.14
  5. Step 5: Solve for x
    x = 477,712,512.14/28,010.46
  6. Step 6: Final answer
    x = 17,054.79

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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.