Home / 26,289.45-39,421.62-14,439.15

Finding the Fourth Proportional to 26,289.45, 39,421.62 and 14,439.15

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Solution

The fourth proportional to 26,289.45, 39,421.62 and 14,439.15 is: 21,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.45 : 39,421.62 = 14,439.15 : x
  2. Step 2: Convert to fraction form
    26,289.45/39,421.62 = 14,439.15/x
  3. Step 3: Cross multiply
    26,289.45x = 39,421.62 × 14,439.15
  4. Step 4: Simplify right side
    26,289.45x = 569,214,684.42
  5. Step 5: Solve for x
    x = 569,214,684.42/26,289.45
  6. Step 6: Final answer
    x = 21,651.83

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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.