Home / 25,283.61-34,922.42-18,938.56

Finding the Fourth Proportional to 25,283.61, 34,922.42 and 18,938.56

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Solution

The fourth proportional to 25,283.61, 34,922.42 and 18,938.56 is: 26,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.61 : 34,922.42 = 18,938.56 : x
  2. Step 2: Convert to fraction form
    25,283.61/34,922.42 = 18,938.56/x
  3. Step 3: Cross multiply
    25,283.61x = 34,922.42 × 18,938.56
  4. Step 4: Simplify right side
    25,283.61x = 661,380,306.56
  5. Step 5: Solve for x
    x = 661,380,306.56/25,283.61
  6. Step 6: Final answer
    x = 26,158.46

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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.