Home / 26,082.12-39,125.37-8,315.31

Finding the Fourth Proportional to 26,082.12, 39,125.37 and 8,315.31

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Solution

The fourth proportional to 26,082.12, 39,125.37 and 8,315.31 is: 12,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082.12 : 39,125.37 = 8,315.31 : x
  2. Step 2: Convert to fraction form
    26,082.12/39,125.37 = 8,315.31/x
  3. Step 3: Cross multiply
    26,082.12x = 39,125.37 × 8,315.31
  4. Step 4: Simplify right side
    26,082.12x = 325,339,580.41
  5. Step 5: Solve for x
    x = 325,339,580.41/26,082.12
  6. Step 6: Final answer
    x = 12,473.66

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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.