Home / 26,290.98-39,457.62-13,818.42

Finding the Fourth Proportional to 26,290.98, 39,457.62 and 13,818.42

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Solution

The fourth proportional to 26,290.98, 39,457.62 and 13,818.42 is: 20,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.98 : 39,457.62 = 13,818.42 : x
  2. Step 2: Convert to fraction form
    26,290.98/39,457.62 = 13,818.42/x
  3. Step 3: Cross multiply
    26,290.98x = 39,457.62 × 13,818.42
  4. Step 4: Simplify right side
    26,290.98x = 545,241,965.36
  5. Step 5: Solve for x
    x = 545,241,965.36/26,290.98
  6. Step 6: Final answer
    x = 20,738.75

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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.