Home / 28,043.17-38,656.42-18,466.54

Finding the Fourth Proportional to 28,043.17, 38,656.42 and 18,466.54

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Solution

The fourth proportional to 28,043.17, 38,656.42 and 18,466.54 is: 25,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.17 : 38,656.42 = 18,466.54 : x
  2. Step 2: Convert to fraction form
    28,043.17/38,656.42 = 18,466.54/x
  3. Step 3: Cross multiply
    28,043.17x = 38,656.42 × 18,466.54
  4. Step 4: Simplify right side
    28,043.17x = 713,850,183.38
  5. Step 5: Solve for x
    x = 713,850,183.38/28,043.17
  6. Step 6: Final answer
    x = 25,455.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.