Home / 26,547.23-39,826.61-8,078.75

Finding the Fourth Proportional to 26,547.23, 39,826.61 and 8,078.75

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Solution

The fourth proportional to 26,547.23, 39,826.61 and 8,078.75 is: 12,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.23 : 39,826.61 = 8,078.75 : x
  2. Step 2: Convert to fraction form
    26,547.23/39,826.61 = 8,078.75/x
  3. Step 3: Cross multiply
    26,547.23x = 39,826.61 × 8,078.75
  4. Step 4: Simplify right side
    26,547.23x = 321,749,185.14
  5. Step 5: Solve for x
    x = 321,749,185.14/26,547.23
  6. Step 6: Final answer
    x = 12,119.88

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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.