Home / 19,204.24-28,642.98-18,871.94

Finding the Fourth Proportional to 19,204.24, 28,642.98 and 18,871.94

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Solution

The fourth proportional to 19,204.24, 28,642.98 and 18,871.94 is: 28,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.24 : 28,642.98 = 18,871.94 : x
  2. Step 2: Convert to fraction form
    19,204.24/28,642.98 = 18,871.94/x
  3. Step 3: Cross multiply
    19,204.24x = 28,642.98 × 18,871.94
  4. Step 4: Simplify right side
    19,204.24x = 540,548,599.98
  5. Step 5: Solve for x
    x = 540,548,599.98/19,204.24
  6. Step 6: Final answer
    x = 28,147.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.