Home / 25,466.78-35,143.60-14,135.61

Finding the Fourth Proportional to 25,466.78, 35,143.60 and 14,135.61

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Solution

The fourth proportional to 25,466.78, 35,143.60 and 14,135.61 is: 19,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,466.78 : 35,143.60 = 14,135.61 : x
  2. Step 2: Convert to fraction form
    25,466.78/35,143.60 = 14,135.61/x
  3. Step 3: Cross multiply
    25,466.78x = 35,143.60 × 14,135.61
  4. Step 4: Simplify right side
    25,466.78x = 496,776,223.60
  5. Step 5: Solve for x
    x = 496,776,223.60/25,466.78
  6. Step 6: Final answer
    x = 19,506.83

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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.