Home / 25,489.22-38,261.51-18,804.75

Finding the Fourth Proportional to 25,489.22, 38,261.51 and 18,804.75

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Solution

The fourth proportional to 25,489.22, 38,261.51 and 18,804.75 is: 28,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.22 : 38,261.51 = 18,804.75 : x
  2. Step 2: Convert to fraction form
    25,489.22/38,261.51 = 18,804.75/x
  3. Step 3: Cross multiply
    25,489.22x = 38,261.51 × 18,804.75
  4. Step 4: Simplify right side
    25,489.22x = 719,498,130.17
  5. Step 5: Solve for x
    x = 719,498,130.17/25,489.22
  6. Step 6: Final answer
    x = 28,227.55

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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.