Home / 18,589.43-25,703.88-18,288.98

Finding the Fourth Proportional to 18,589.43, 25,703.88 and 18,288.98

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Solution

The fourth proportional to 18,589.43, 25,703.88 and 18,288.98 is: 25,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.43 : 25,703.88 = 18,288.98 : x
  2. Step 2: Convert to fraction form
    18,589.43/25,703.88 = 18,288.98/x
  3. Step 3: Cross multiply
    18,589.43x = 25,703.88 × 18,288.98
  4. Step 4: Simplify right side
    18,589.43x = 470,097,646.53
  5. Step 5: Solve for x
    x = 470,097,646.53/18,589.43
  6. Step 6: Final answer
    x = 25,288.43

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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.