Home / 26,233.57-39,321.72-12,915.73

Finding the Fourth Proportional to 26,233.57, 39,321.72 and 12,915.73

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Solution

The fourth proportional to 26,233.57, 39,321.72 and 12,915.73 is: 19,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,233.57 : 39,321.72 = 12,915.73 : x
  2. Step 2: Convert to fraction form
    26,233.57/39,321.72 = 12,915.73/x
  3. Step 3: Cross multiply
    26,233.57x = 39,321.72 × 12,915.73
  4. Step 4: Simplify right side
    26,233.57x = 507,868,718.66
  5. Step 5: Solve for x
    x = 507,868,718.66/26,233.57
  6. Step 6: Final answer
    x = 19,359.50

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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.