Home / 26,579.78-36,679.60-14,644.22

Finding the Fourth Proportional to 26,579.78, 36,679.60 and 14,644.22

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Solution

The fourth proportional to 26,579.78, 36,679.60 and 14,644.22 is: 20,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.78 : 36,679.60 = 14,644.22 : x
  2. Step 2: Convert to fraction form
    26,579.78/36,679.60 = 14,644.22/x
  3. Step 3: Cross multiply
    26,579.78x = 36,679.60 × 14,644.22
  4. Step 4: Simplify right side
    26,579.78x = 537,144,131.91
  5. Step 5: Solve for x
    x = 537,144,131.91/26,579.78
  6. Step 6: Final answer
    x = 20,208.75

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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.