Home / 53,226.89-79,826.72-15,778.21

Finding the Fourth Proportional to 53,226.89, 79,826.72 and 15,778.21

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Solution

The fourth proportional to 53,226.89, 79,826.72 and 15,778.21 is: 23,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,226.89 : 79,826.72 = 15,778.21 : x
  2. Step 2: Convert to fraction form
    53,226.89/79,826.72 = 15,778.21/x
  3. Step 3: Cross multiply
    53,226.89x = 79,826.72 × 15,778.21
  4. Step 4: Simplify right side
    53,226.89x = 1,259,522,672.88
  5. Step 5: Solve for x
    x = 1,259,522,672.88/53,226.89
  6. Step 6: Final answer
    x = 23,663.28

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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.