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Finding the Fourth Proportional to 25,463.70, 35,154.54 and 16,963.56

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Solution

The fourth proportional to 25,463.70, 35,154.54 and 16,963.56 is: 23,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.70 : 35,154.54 = 16,963.56 : x
  2. Step 2: Convert to fraction form
    25,463.70/35,154.54 = 16,963.56/x
  3. Step 3: Cross multiply
    25,463.70x = 35,154.54 × 16,963.56
  4. Step 4: Simplify right side
    25,463.70x = 596,346,148.56
  5. Step 5: Solve for x
    x = 596,346,148.56/25,463.70
  6. Step 6: Final answer
    x = 23,419.46

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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.