Home / 28,833.48-39,789.90-16,898.04

Finding the Fourth Proportional to 28,833.48, 39,789.90 and 16,898.04

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Solution

The fourth proportional to 28,833.48, 39,789.90 and 16,898.04 is: 23,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.48 : 39,789.90 = 16,898.04 : x
  2. Step 2: Convert to fraction form
    28,833.48/39,789.90 = 16,898.04/x
  3. Step 3: Cross multiply
    28,833.48x = 39,789.90 × 16,898.04
  4. Step 4: Simplify right side
    28,833.48x = 672,371,321.80
  5. Step 5: Solve for x
    x = 672,371,321.80/28,833.48
  6. Step 6: Final answer
    x = 23,319.12

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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.