Home / 26,165.78-39,250.02-8,636.96

Finding the Fourth Proportional to 26,165.78, 39,250.02 and 8,636.96

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Solution

The fourth proportional to 26,165.78, 39,250.02 and 8,636.96 is: 12,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,165.78 : 39,250.02 = 8,636.96 : x
  2. Step 2: Convert to fraction form
    26,165.78/39,250.02 = 8,636.96/x
  3. Step 3: Cross multiply
    26,165.78x = 39,250.02 × 8,636.96
  4. Step 4: Simplify right side
    26,165.78x = 339,000,852.74
  5. Step 5: Solve for x
    x = 339,000,852.74/26,165.78
  6. Step 6: Final answer
    x = 12,955.89

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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.