Home / 26,235.90-39,368.25-12,384.54

Finding the Fourth Proportional to 26,235.90, 39,368.25 and 12,384.54

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Solution

The fourth proportional to 26,235.90, 39,368.25 and 12,384.54 is: 18,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,235.90 : 39,368.25 = 12,384.54 : x
  2. Step 2: Convert to fraction form
    26,235.90/39,368.25 = 12,384.54/x
  3. Step 3: Cross multiply
    26,235.90x = 39,368.25 × 12,384.54
  4. Step 4: Simplify right side
    26,235.90x = 487,557,666.86
  5. Step 5: Solve for x
    x = 487,557,666.86/26,235.90
  6. Step 6: Final answer
    x = 18,583.61

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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.