Home / 25,454.02-38,195.60-14,218.78

Finding the Fourth Proportional to 25,454.02, 38,195.60 and 14,218.78

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Solution

The fourth proportional to 25,454.02, 38,195.60 and 14,218.78 is: 21,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.02 : 38,195.60 = 14,218.78 : x
  2. Step 2: Convert to fraction form
    25,454.02/38,195.60 = 14,218.78/x
  3. Step 3: Cross multiply
    25,454.02x = 38,195.60 × 14,218.78
  4. Step 4: Simplify right side
    25,454.02x = 543,094,833.37
  5. Step 5: Solve for x
    x = 543,094,833.37/25,454.02
  6. Step 6: Final answer
    x = 21,336.31

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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.