Home / 25,281.45-37,892.63-19,021.37

Finding the Fourth Proportional to 25,281.45, 37,892.63 and 19,021.37

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Solution

The fourth proportional to 25,281.45, 37,892.63 and 19,021.37 is: 28,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.45 : 37,892.63 = 19,021.37 : x
  2. Step 2: Convert to fraction form
    25,281.45/37,892.63 = 19,021.37/x
  3. Step 3: Cross multiply
    25,281.45x = 37,892.63 × 19,021.37
  4. Step 4: Simplify right side
    25,281.45x = 720,769,593.59
  5. Step 5: Solve for x
    x = 720,769,593.59/25,281.45
  6. Step 6: Final answer
    x = 28,509.82

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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.