Home / 25,758.22-35,544.39-15,685.55

Finding the Fourth Proportional to 25,758.22, 35,544.39 and 15,685.55

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Solution

The fourth proportional to 25,758.22, 35,544.39 and 15,685.55 is: 21,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758.22 : 35,544.39 = 15,685.55 : x
  2. Step 2: Convert to fraction form
    25,758.22/35,544.39 = 15,685.55/x
  3. Step 3: Cross multiply
    25,758.22x = 35,544.39 × 15,685.55
  4. Step 4: Simplify right side
    25,758.22x = 557,533,128.84
  5. Step 5: Solve for x
    x = 557,533,128.84/25,758.22
  6. Step 6: Final answer
    x = 21,644.86

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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.