Home / 26,412.93-39,542.58-20,551.77

Finding the Fourth Proportional to 26,412.93, 39,542.58 and 20,551.77

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Solution

The fourth proportional to 26,412.93, 39,542.58 and 20,551.77 is: 30,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.93 : 39,542.58 = 20,551.77 : x
  2. Step 2: Convert to fraction form
    26,412.93/39,542.58 = 20,551.77/x
  3. Step 3: Cross multiply
    26,412.93x = 39,542.58 × 20,551.77
  4. Step 4: Simplify right side
    26,412.93x = 812,670,009.37
  5. Step 5: Solve for x
    x = 812,670,009.37/26,412.93
  6. Step 6: Final answer
    x = 30,767.89

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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.