Home / 25,473.30-38,246.40-19,276.80

Finding the Fourth Proportional to 25,473.30, 38,246.40 and 19,276.80

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Solution

The fourth proportional to 25,473.30, 38,246.40 and 19,276.80 is: 28,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,473.30 : 38,246.40 = 19,276.80 : x
  2. Step 2: Convert to fraction form
    25,473.30/38,246.40 = 19,276.80/x
  3. Step 3: Cross multiply
    25,473.30x = 38,246.40 × 19,276.80
  4. Step 4: Simplify right side
    25,473.30x = 737,268,203.52
  5. Step 5: Solve for x
    x = 737,268,203.52/25,473.30
  6. Step 6: Final answer
    x = 28,942.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.