Home / 25,913.68-38,889.74-19,265.56

Finding the Fourth Proportional to 25,913.68, 38,889.74 and 19,265.56

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Solution

The fourth proportional to 25,913.68, 38,889.74 and 19,265.56 is: 28,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.68 : 38,889.74 = 19,265.56 : x
  2. Step 2: Convert to fraction form
    25,913.68/38,889.74 = 19,265.56/x
  3. Step 3: Cross multiply
    25,913.68x = 38,889.74 × 19,265.56
  4. Step 4: Simplify right side
    25,913.68x = 749,232,619.35
  5. Step 5: Solve for x
    x = 749,232,619.35/25,913.68
  6. Step 6: Final answer
    x = 28,912.63

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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.