Home / 28,604.48-39,468.36-18,531.52

Finding the Fourth Proportional to 28,604.48, 39,468.36 and 18,531.52

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Solution

The fourth proportional to 28,604.48, 39,468.36 and 18,531.52 is: 25,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604.48 : 39,468.36 = 18,531.52 : x
  2. Step 2: Convert to fraction form
    28,604.48/39,468.36 = 18,531.52/x
  3. Step 3: Cross multiply
    28,604.48x = 39,468.36 × 18,531.52
  4. Step 4: Simplify right side
    28,604.48x = 731,408,673.53
  5. Step 5: Solve for x
    x = 731,408,673.53/28,604.48
  6. Step 6: Final answer
    x = 25,569.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.