Home / 26,418.85-39,633.45-9,779.02

Finding the Fourth Proportional to 26,418.85, 39,633.45 and 9,779.02

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Solution

The fourth proportional to 26,418.85, 39,633.45 and 9,779.02 is: 14,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418.85 : 39,633.45 = 9,779.02 : x
  2. Step 2: Convert to fraction form
    26,418.85/39,633.45 = 9,779.02/x
  3. Step 3: Cross multiply
    26,418.85x = 39,633.45 × 9,779.02
  4. Step 4: Simplify right side
    26,418.85x = 387,576,176.69
  5. Step 5: Solve for x
    x = 387,576,176.69/26,418.85
  6. Step 6: Final answer
    x = 14,670.44

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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.