Home / 20,590.36-30,811.73-17,826.55

Finding the Fourth Proportional to 20,590.36, 30,811.73 and 17,826.55

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Solution

The fourth proportional to 20,590.36, 30,811.73 and 17,826.55 is: 26,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.36 : 30,811.73 = 17,826.55 : x
  2. Step 2: Convert to fraction form
    20,590.36/30,811.73 = 17,826.55/x
  3. Step 3: Cross multiply
    20,590.36x = 30,811.73 × 17,826.55
  4. Step 4: Simplify right side
    20,590.36x = 549,266,679.27
  5. Step 5: Solve for x
    x = 549,266,679.27/20,590.36
  6. Step 6: Final answer
    x = 26,675.92

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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.