Home / 26,502.08-39,754.47-6,780.80

Finding the Fourth Proportional to 26,502.08, 39,754.47 and 6,780.80

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Solution

The fourth proportional to 26,502.08, 39,754.47 and 6,780.80 is: 10,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,502.08 : 39,754.47 = 6,780.80 : x
  2. Step 2: Convert to fraction form
    26,502.08/39,754.47 = 6,780.80/x
  3. Step 3: Cross multiply
    26,502.08x = 39,754.47 × 6,780.80
  4. Step 4: Simplify right side
    26,502.08x = 269,566,911.40
  5. Step 5: Solve for x
    x = 269,566,911.40/26,502.08
  6. Step 6: Final answer
    x = 10,171.54

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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.