Home / 25,454.54-38,119.49-17,939.63

Finding the Fourth Proportional to 25,454.54, 38,119.49 and 17,939.63

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Solution

The fourth proportional to 25,454.54, 38,119.49 and 17,939.63 is: 26,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.54 : 38,119.49 = 17,939.63 : x
  2. Step 2: Convert to fraction form
    25,454.54/38,119.49 = 17,939.63/x
  3. Step 3: Cross multiply
    25,454.54x = 38,119.49 × 17,939.63
  4. Step 4: Simplify right side
    25,454.54x = 683,849,266.09
  5. Step 5: Solve for x
    x = 683,849,266.09/25,454.54
  6. Step 6: Final answer
    x = 26,865.52

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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.