Home / 25,671.48-38,490.62-16,879.74

Finding the Fourth Proportional to 25,671.48, 38,490.62 and 16,879.74

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Solution

The fourth proportional to 25,671.48, 38,490.62 and 16,879.74 is: 25,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.48 : 38,490.62 = 16,879.74 : x
  2. Step 2: Convert to fraction form
    25,671.48/38,490.62 = 16,879.74/x
  3. Step 3: Cross multiply
    25,671.48x = 38,490.62 × 16,879.74
  4. Step 4: Simplify right side
    25,671.48x = 649,711,573.64
  5. Step 5: Solve for x
    x = 649,711,573.64/25,671.48
  6. Step 6: Final answer
    x = 25,308.69

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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.