Home / 25,515.08-38,200.73-19,255.20

Finding the Fourth Proportional to 25,515.08, 38,200.73 and 19,255.20

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Solution

The fourth proportional to 25,515.08, 38,200.73 and 19,255.20 is: 28,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.08 : 38,200.73 = 19,255.20 : x
  2. Step 2: Convert to fraction form
    25,515.08/38,200.73 = 19,255.20/x
  3. Step 3: Cross multiply
    25,515.08x = 38,200.73 × 19,255.20
  4. Step 4: Simplify right side
    25,515.08x = 735,562,744.43
  5. Step 5: Solve for x
    x = 735,562,744.43/25,515.08
  6. Step 6: Final answer
    x = 28,828.55

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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.