Home / 26,431.18-39,616.53-10,829.50

Finding the Fourth Proportional to 26,431.18, 39,616.53 and 10,829.50

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Solution

The fourth proportional to 26,431.18, 39,616.53 and 10,829.50 is: 16,231.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.18 : 39,616.53 = 10,829.50 : x
  2. Step 2: Convert to fraction form
    26,431.18/39,616.53 = 10,829.50/x
  3. Step 3: Cross multiply
    26,431.18x = 39,616.53 × 10,829.50
  4. Step 4: Simplify right side
    26,431.18x = 429,027,211.64
  5. Step 5: Solve for x
    x = 429,027,211.64/26,431.18
  6. Step 6: Final answer
    x = 16,231.86

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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.