Home / 26,019.90-39,001.86-11,235.78

Finding the Fourth Proportional to 26,019.90, 39,001.86 and 11,235.78

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Solution

The fourth proportional to 26,019.90, 39,001.86 and 11,235.78 is: 16,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.90 : 39,001.86 = 11,235.78 : x
  2. Step 2: Convert to fraction form
    26,019.90/39,001.86 = 11,235.78/x
  3. Step 3: Cross multiply
    26,019.90x = 39,001.86 × 11,235.78
  4. Step 4: Simplify right side
    26,019.90x = 438,216,318.55
  5. Step 5: Solve for x
    x = 438,216,318.55/26,019.90
  6. Step 6: Final answer
    x = 16,841.58

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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.