Home / 19,019.02-28,542.55-9,023.80

Finding the Fourth Proportional to 19,019.02, 28,542.55 and 9,023.80

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Solution

The fourth proportional to 19,019.02, 28,542.55 and 9,023.80 is: 13,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.02 : 28,542.55 = 9,023.80 : x
  2. Step 2: Convert to fraction form
    19,019.02/28,542.55 = 9,023.80/x
  3. Step 3: Cross multiply
    19,019.02x = 28,542.55 × 9,023.80
  4. Step 4: Simplify right side
    19,019.02x = 257,562,262.69
  5. Step 5: Solve for x
    x = 257,562,262.69/19,019.02
  6. Step 6: Final answer
    x = 13,542.35

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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.