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Finding the Fourth Proportional to 26,393.72, 39,598.67 and 8,862.08

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Solution

The fourth proportional to 26,393.72, 39,598.67 and 8,862.08 is: 13,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.72 : 39,598.67 = 8,862.08 : x
  2. Step 2: Convert to fraction form
    26,393.72/39,598.67 = 8,862.08/x
  3. Step 3: Cross multiply
    26,393.72x = 39,598.67 × 8,862.08
  4. Step 4: Simplify right side
    26,393.72x = 350,926,405.60
  5. Step 5: Solve for x
    x = 350,926,405.60/26,393.72
  6. Step 6: Final answer
    x = 13,295.83

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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.