Home / 25,214.94-37,839.42-18,989.28

Finding the Fourth Proportional to 25,214.94, 37,839.42 and 18,989.28

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Solution

The fourth proportional to 25,214.94, 37,839.42 and 18,989.28 is: 28,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,214.94 : 37,839.42 = 18,989.28 : x
  2. Step 2: Convert to fraction form
    25,214.94/37,839.42 = 18,989.28/x
  3. Step 3: Cross multiply
    25,214.94x = 37,839.42 × 18,989.28
  4. Step 4: Simplify right side
    25,214.94x = 718,543,341.42
  5. Step 5: Solve for x
    x = 718,543,341.42/25,214.94
  6. Step 6: Final answer
    x = 28,496.73

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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.