Home / 26,145.86-39,217.73-7,425.81

Finding the Fourth Proportional to 26,145.86, 39,217.73 and 7,425.81

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Solution

The fourth proportional to 26,145.86, 39,217.73 and 7,425.81 is: 11,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.86 : 39,217.73 = 7,425.81 : x
  2. Step 2: Convert to fraction form
    26,145.86/39,217.73 = 7,425.81/x
  3. Step 3: Cross multiply
    26,145.86x = 39,217.73 × 7,425.81
  4. Step 4: Simplify right side
    26,145.86x = 291,223,374.48
  5. Step 5: Solve for x
    x = 291,223,374.48/26,145.86
  6. Step 6: Final answer
    x = 11,138.41

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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.