Home / 25,761.96-38,559.42-13,899.24

Finding the Fourth Proportional to 25,761.96, 38,559.42 and 13,899.24

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Solution

The fourth proportional to 25,761.96, 38,559.42 and 13,899.24 is: 20,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.96 : 38,559.42 = 13,899.24 : x
  2. Step 2: Convert to fraction form
    25,761.96/38,559.42 = 13,899.24/x
  3. Step 3: Cross multiply
    25,761.96x = 38,559.42 × 13,899.24
  4. Step 4: Simplify right side
    25,761.96x = 535,946,632.84
  5. Step 5: Solve for x
    x = 535,946,632.84/25,761.96
  6. Step 6: Final answer
    x = 20,803.80

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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.