Home / 26,142.40-36,076.66-14,205.72

Finding the Fourth Proportional to 26,142.40, 36,076.66 and 14,205.72

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Solution

The fourth proportional to 26,142.40, 36,076.66 and 14,205.72 is: 19,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.40 : 36,076.66 = 14,205.72 : x
  2. Step 2: Convert to fraction form
    26,142.40/36,076.66 = 14,205.72/x
  3. Step 3: Cross multiply
    26,142.40x = 36,076.66 × 14,205.72
  4. Step 4: Simplify right side
    26,142.40x = 512,494,930.50
  5. Step 5: Solve for x
    x = 512,494,930.50/26,142.40
  6. Step 6: Final answer
    x = 19,603.97

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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.