Home / 25,219.83-34,806.42-15,153.55

Finding the Fourth Proportional to 25,219.83, 34,806.42 and 15,153.55

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Solution

The fourth proportional to 25,219.83, 34,806.42 and 15,153.55 is: 20,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.83 : 34,806.42 = 15,153.55 : x
  2. Step 2: Convert to fraction form
    25,219.83/34,806.42 = 15,153.55/x
  3. Step 3: Cross multiply
    25,219.83x = 34,806.42 × 15,153.55
  4. Step 4: Simplify right side
    25,219.83x = 527,440,825.79
  5. Step 5: Solve for x
    x = 527,440,825.79/25,219.83
  6. Step 6: Final answer
    x = 20,913.73

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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.