Home / 28,830.83-39,790.44-16,898.94

Finding the Fourth Proportional to 28,830.83, 39,790.44 and 16,898.94

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Solution

The fourth proportional to 28,830.83, 39,790.44 and 16,898.94 is: 23,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,830.83 : 39,790.44 = 16,898.94 : x
  2. Step 2: Convert to fraction form
    28,830.83/39,790.44 = 16,898.94/x
  3. Step 3: Cross multiply
    28,830.83x = 39,790.44 × 16,898.94
  4. Step 4: Simplify right side
    28,830.83x = 672,416,258.13
  5. Step 5: Solve for x
    x = 672,416,258.13/28,830.83
  6. Step 6: Final answer
    x = 23,322.82

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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.