Home / 26,872.20-40,308.30-14,430.60

Finding the Fourth Proportional to 26,872.20, 40,308.30 and 14,430.60

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Solution

The fourth proportional to 26,872.20, 40,308.30 and 14,430.60 is: 21,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.20 : 40,308.30 = 14,430.60 : x
  2. Step 2: Convert to fraction form
    26,872.20/40,308.30 = 14,430.60/x
  3. Step 3: Cross multiply
    26,872.20x = 40,308.30 × 14,430.60
  4. Step 4: Simplify right side
    26,872.20x = 581,672,953.98
  5. Step 5: Solve for x
    x = 581,672,953.98/26,872.20
  6. Step 6: Final answer
    x = 21,645.90

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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.