Home / 22,879.18-31,573.97-12,807.57

Finding the Fourth Proportional to 22,879.18, 31,573.97 and 12,807.57

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Solution

The fourth proportional to 22,879.18, 31,573.97 and 12,807.57 is: 17,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.18 : 31,573.97 = 12,807.57 : x
  2. Step 2: Convert to fraction form
    22,879.18/31,573.97 = 12,807.57/x
  3. Step 3: Cross multiply
    22,879.18x = 31,573.97 × 12,807.57
  4. Step 4: Simplify right side
    22,879.18x = 404,385,830.95
  5. Step 5: Solve for x
    x = 404,385,830.95/22,879.18
  6. Step 6: Final answer
    x = 17,674.84

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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.