Home / 20,365.24-30,526.54-8,525.80

Finding the Fourth Proportional to 20,365.24, 30,526.54 and 8,525.80

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Solution

The fourth proportional to 20,365.24, 30,526.54 and 8,525.80 is: 12,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.24 : 30,526.54 = 8,525.80 : x
  2. Step 2: Convert to fraction form
    20,365.24/30,526.54 = 8,525.80/x
  3. Step 3: Cross multiply
    20,365.24x = 30,526.54 × 8,525.80
  4. Step 4: Simplify right side
    20,365.24x = 260,263,174.73
  5. Step 5: Solve for x
    x = 260,263,174.73/20,365.24
  6. Step 6: Final answer
    x = 12,779.77

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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.