Home / 28,529.57-39,357.53-18,461.25

Finding the Fourth Proportional to 28,529.57, 39,357.53 and 18,461.25

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Solution

The fourth proportional to 28,529.57, 39,357.53 and 18,461.25 is: 25,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.57 : 39,357.53 = 18,461.25 : x
  2. Step 2: Convert to fraction form
    28,529.57/39,357.53 = 18,461.25/x
  3. Step 3: Cross multiply
    28,529.57x = 39,357.53 × 18,461.25
  4. Step 4: Simplify right side
    28,529.57x = 726,589,108.41
  5. Step 5: Solve for x
    x = 726,589,108.41/28,529.57
  6. Step 6: Final answer
    x = 25,467.94

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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.