Home / 26,309.91-39,466.89-8,779.71

Finding the Fourth Proportional to 26,309.91, 39,466.89 and 8,779.71

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Solution

The fourth proportional to 26,309.91, 39,466.89 and 8,779.71 is: 13,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.91 : 39,466.89 = 8,779.71 : x
  2. Step 2: Convert to fraction form
    26,309.91/39,466.89 = 8,779.71/x
  3. Step 3: Cross multiply
    26,309.91x = 39,466.89 × 8,779.71
  4. Step 4: Simplify right side
    26,309.91x = 346,507,848.80
  5. Step 5: Solve for x
    x = 346,507,848.80/26,309.91
  6. Step 6: Final answer
    x = 13,170.24

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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.