Home / 26,222.96-39,290.69-18,417.80

Finding the Fourth Proportional to 26,222.96, 39,290.69 and 18,417.80

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Solution

The fourth proportional to 26,222.96, 39,290.69 and 18,417.80 is: 27,595.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.96 : 39,290.69 = 18,417.80 : x
  2. Step 2: Convert to fraction form
    26,222.96/39,290.69 = 18,417.80/x
  3. Step 3: Cross multiply
    26,222.96x = 39,290.69 × 18,417.80
  4. Step 4: Simplify right side
    26,222.96x = 723,648,214.55
  5. Step 5: Solve for x
    x = 723,648,214.55/26,222.96
  6. Step 6: Final answer
    x = 27,595.97

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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.