Home / 22,953.60-31,673.36-12,879.92

Finding the Fourth Proportional to 22,953.60, 31,673.36 and 12,879.92

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Solution

The fourth proportional to 22,953.60, 31,673.36 and 12,879.92 is: 17,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,953.60 : 31,673.36 = 12,879.92 : x
  2. Step 2: Convert to fraction form
    22,953.60/31,673.36 = 12,879.92/x
  3. Step 3: Cross multiply
    22,953.60x = 31,673.36 × 12,879.92
  4. Step 4: Simplify right side
    22,953.60x = 407,950,342.93
  5. Step 5: Solve for x
    x = 407,950,342.93/22,953.60
  6. Step 6: Final answer
    x = 17,772.83

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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.