Home / 19,190.79-28,741.58-18,525.63

Finding the Fourth Proportional to 19,190.79, 28,741.58 and 18,525.63

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Solution

The fourth proportional to 19,190.79, 28,741.58 and 18,525.63 is: 27,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.79 : 28,741.58 = 18,525.63 : x
  2. Step 2: Convert to fraction form
    19,190.79/28,741.58 = 18,525.63/x
  3. Step 3: Cross multiply
    19,190.79x = 28,741.58 × 18,525.63
  4. Step 4: Simplify right side
    19,190.79x = 532,455,784.07
  5. Step 5: Solve for x
    x = 532,455,784.07/19,190.79
  6. Step 6: Final answer
    x = 27,745.38

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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.