Home / 26,748.41-40,038.55-18,379.49

Finding the Fourth Proportional to 26,748.41, 40,038.55 and 18,379.49

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Solution

The fourth proportional to 26,748.41, 40,038.55 and 18,379.49 is: 27,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.41 : 40,038.55 = 18,379.49 : x
  2. Step 2: Convert to fraction form
    26,748.41/40,038.55 = 18,379.49/x
  3. Step 3: Cross multiply
    26,748.41x = 40,038.55 × 18,379.49
  4. Step 4: Simplify right side
    26,748.41x = 735,887,883.20
  5. Step 5: Solve for x
    x = 735,887,883.20/26,748.41
  6. Step 6: Final answer
    x = 27,511.47

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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.