Home / 19,040.70-28,577.45-9,188.26

Finding the Fourth Proportional to 19,040.70, 28,577.45 and 9,188.26

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Solution

The fourth proportional to 19,040.70, 28,577.45 and 9,188.26 is: 13,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.70 : 28,577.45 = 9,188.26 : x
  2. Step 2: Convert to fraction form
    19,040.70/28,577.45 = 9,188.26/x
  3. Step 3: Cross multiply
    19,040.70x = 28,577.45 × 9,188.26
  4. Step 4: Simplify right side
    19,040.70x = 262,577,040.74
  5. Step 5: Solve for x
    x = 262,577,040.74/19,040.70
  6. Step 6: Final answer
    x = 13,790.31

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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.