Home / 19,577.40-27,002.84-13,825.60

Finding the Fourth Proportional to 19,577.40, 27,002.84 and 13,825.60

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Solution

The fourth proportional to 19,577.40, 27,002.84 and 13,825.60 is: 19,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.40 : 27,002.84 = 13,825.60 : x
  2. Step 2: Convert to fraction form
    19,577.40/27,002.84 = 13,825.60/x
  3. Step 3: Cross multiply
    19,577.40x = 27,002.84 × 13,825.60
  4. Step 4: Simplify right side
    19,577.40x = 373,330,464.70
  5. Step 5: Solve for x
    x = 373,330,464.70/19,577.40
  6. Step 6: Final answer
    x = 19,069.46

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1.5x scale

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.