Home / 26,018.90-39,000.36-11,234.78

Finding the Fourth Proportional to 26,018.90, 39,000.36 and 11,234.78

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Solution

The fourth proportional to 26,018.90, 39,000.36 and 11,234.78 is: 16,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018.90 : 39,000.36 = 11,234.78 : x
  2. Step 2: Convert to fraction form
    26,018.90/39,000.36 = 11,234.78/x
  3. Step 3: Cross multiply
    26,018.90x = 39,000.36 × 11,234.78
  4. Step 4: Simplify right side
    26,018.90x = 438,160,464.52
  5. Step 5: Solve for x
    x = 438,160,464.52/26,018.90
  6. Step 6: Final answer
    x = 16,840.08

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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.