Home / 26,555.84-39,858.40-13,417.44

Finding the Fourth Proportional to 26,555.84, 39,858.40 and 13,417.44

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Solution

The fourth proportional to 26,555.84, 39,858.40 and 13,417.44 is: 20,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.84 : 39,858.40 = 13,417.44 : x
  2. Step 2: Convert to fraction form
    26,555.84/39,858.40 = 13,417.44/x
  3. Step 3: Cross multiply
    26,555.84x = 39,858.40 × 13,417.44
  4. Step 4: Simplify right side
    26,555.84x = 534,797,707.27
  5. Step 5: Solve for x
    x = 534,797,707.27/26,555.84
  6. Step 6: Final answer
    x = 20,138.61

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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.