Home / 25,107.40-34,694.06-18,289.55

Finding the Fourth Proportional to 25,107.40, 34,694.06 and 18,289.55

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Solution

The fourth proportional to 25,107.40, 34,694.06 and 18,289.55 is: 25,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.40 : 34,694.06 = 18,289.55 : x
  2. Step 2: Convert to fraction form
    25,107.40/34,694.06 = 18,289.55/x
  3. Step 3: Cross multiply
    25,107.40x = 34,694.06 × 18,289.55
  4. Step 4: Simplify right side
    25,107.40x = 634,538,740.36
  5. Step 5: Solve for x
    x = 634,538,740.36/25,107.40
  6. Step 6: Final answer
    x = 25,272.98

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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.