Home / 28,193.67-42,308.73-13,419.27

Finding the Fourth Proportional to 28,193.67, 42,308.73 and 13,419.27

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Solution

The fourth proportional to 28,193.67, 42,308.73 and 13,419.27 is: 20,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.67 : 42,308.73 = 13,419.27 : x
  2. Step 2: Convert to fraction form
    28,193.67/42,308.73 = 13,419.27/x
  3. Step 3: Cross multiply
    28,193.67x = 42,308.73 × 13,419.27
  4. Step 4: Simplify right side
    28,193.67x = 567,752,271.23
  5. Step 5: Solve for x
    x = 567,752,271.23/28,193.67
  6. Step 6: Final answer
    x = 20,137.58

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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.