Home / 25,840.36-35,658.66-15,230.44

Finding the Fourth Proportional to 25,840.36, 35,658.66 and 15,230.44

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Solution

The fourth proportional to 25,840.36, 35,658.66 and 15,230.44 is: 21,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,840.36 : 35,658.66 = 15,230.44 : x
  2. Step 2: Convert to fraction form
    25,840.36/35,658.66 = 15,230.44/x
  3. Step 3: Cross multiply
    25,840.36x = 35,658.66 × 15,230.44
  4. Step 4: Simplify right side
    25,840.36x = 543,097,081.61
  5. Step 5: Solve for x
    x = 543,097,081.61/25,840.36
  6. Step 6: Final answer
    x = 21,017.40

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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.