Home / 25,377.28-35,021.58-13,892.99

Finding the Fourth Proportional to 25,377.28, 35,021.58 and 13,892.99

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Solution

The fourth proportional to 25,377.28, 35,021.58 and 13,892.99 is: 19,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,377.28 : 35,021.58 = 13,892.99 : x
  2. Step 2: Convert to fraction form
    25,377.28/35,021.58 = 13,892.99/x
  3. Step 3: Cross multiply
    25,377.28x = 35,021.58 × 13,892.99
  4. Step 4: Simplify right side
    25,377.28x = 486,554,548.28
  5. Step 5: Solve for x
    x = 486,554,548.28/25,377.28
  6. Step 6: Final answer
    x = 19,172.84

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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.