Home / 19,090.15-28,636.12-15,752.21

Finding the Fourth Proportional to 19,090.15, 28,636.12 and 15,752.21

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Solution

The fourth proportional to 19,090.15, 28,636.12 and 15,752.21 is: 23,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.15 : 28,636.12 = 15,752.21 : x
  2. Step 2: Convert to fraction form
    19,090.15/28,636.12 = 15,752.21/x
  3. Step 3: Cross multiply
    19,090.15x = 28,636.12 × 15,752.21
  4. Step 4: Simplify right side
    19,090.15x = 451,082,032.64
  5. Step 5: Solve for x
    x = 451,082,032.64/19,090.15
  6. Step 6: Final answer
    x = 23,629.05

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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.