Home / 26,123.85-39,156.57-11,310.57

Finding the Fourth Proportional to 26,123.85, 39,156.57 and 11,310.57

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Solution

The fourth proportional to 26,123.85, 39,156.57 and 11,310.57 is: 16,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,123.85 : 39,156.57 = 11,310.57 : x
  2. Step 2: Convert to fraction form
    26,123.85/39,156.57 = 11,310.57/x
  3. Step 3: Cross multiply
    26,123.85x = 39,156.57 × 11,310.57
  4. Step 4: Simplify right side
    26,123.85x = 442,883,125.94
  5. Step 5: Solve for x
    x = 442,883,125.94/26,123.85
  6. Step 6: Final answer
    x = 16,953.21

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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.