Home / 28,132.53-38,804.60-18,044.99

Finding the Fourth Proportional to 28,132.53, 38,804.60 and 18,044.99

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Solution

The fourth proportional to 28,132.53, 38,804.60 and 18,044.99 is: 24,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.53 : 38,804.60 = 18,044.99 : x
  2. Step 2: Convert to fraction form
    28,132.53/38,804.60 = 18,044.99/x
  3. Step 3: Cross multiply
    28,132.53x = 38,804.60 × 18,044.99
  4. Step 4: Simplify right side
    28,132.53x = 700,228,761.08
  5. Step 5: Solve for x
    x = 700,228,761.08/28,132.53
  6. Step 6: Final answer
    x = 24,890.36

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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.