Home / 28,090.25-42,135.53-9,370.24

Finding the Fourth Proportional to 28,090.25, 42,135.53 and 9,370.24

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Solution

The fourth proportional to 28,090.25, 42,135.53 and 9,370.24 is: 14,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.25 : 42,135.53 = 9,370.24 : x
  2. Step 2: Convert to fraction form
    28,090.25/42,135.53 = 9,370.24/x
  3. Step 3: Cross multiply
    28,090.25x = 42,135.53 × 9,370.24
  4. Step 4: Simplify right side
    28,090.25x = 394,819,817.95
  5. Step 5: Solve for x
    x = 394,819,817.95/28,090.25
  6. Step 6: Final answer
    x = 14,055.41

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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.