Home / 25,076.79-34,608.21-16,145.63

Finding the Fourth Proportional to 25,076.79, 34,608.21 and 16,145.63

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Solution

The fourth proportional to 25,076.79, 34,608.21 and 16,145.63 is: 22,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,076.79 : 34,608.21 = 16,145.63 : x
  2. Step 2: Convert to fraction form
    25,076.79/34,608.21 = 16,145.63/x
  3. Step 3: Cross multiply
    25,076.79x = 34,608.21 × 16,145.63
  4. Step 4: Simplify right side
    25,076.79x = 558,771,340.64
  5. Step 5: Solve for x
    x = 558,771,340.64/25,076.79
  6. Step 6: Final answer
    x = 22,282.41

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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.