Home / 26,703.90-40,043.70-14,220.72

Finding the Fourth Proportional to 26,703.90, 40,043.70 and 14,220.72

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Solution

The fourth proportional to 26,703.90, 40,043.70 and 14,220.72 is: 21,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.90 : 40,043.70 = 14,220.72 : x
  2. Step 2: Convert to fraction form
    26,703.90/40,043.70 = 14,220.72/x
  3. Step 3: Cross multiply
    26,703.90x = 40,043.70 × 14,220.72
  4. Step 4: Simplify right side
    26,703.90x = 569,450,245.46
  5. Step 5: Solve for x
    x = 569,450,245.46/26,703.90
  6. Step 6: Final answer
    x = 21,324.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.