Home / 25,128.95-34,676.78-15,062.94

Finding the Fourth Proportional to 25,128.95, 34,676.78 and 15,062.94

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Solution

The fourth proportional to 25,128.95, 34,676.78 and 15,062.94 is: 20,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.95 : 34,676.78 = 15,062.94 : x
  2. Step 2: Convert to fraction form
    25,128.95/34,676.78 = 15,062.94/x
  3. Step 3: Cross multiply
    25,128.95x = 34,676.78 × 15,062.94
  4. Step 4: Simplify right side
    25,128.95x = 522,334,181.22
  5. Step 5: Solve for x
    x = 522,334,181.22/25,128.95
  6. Step 6: Final answer
    x = 20,786.16

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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.