Home / 28,778.79-39,714.61-16,032.12

Finding the Fourth Proportional to 28,778.79, 39,714.61 and 16,032.12

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Solution

The fourth proportional to 28,778.79, 39,714.61 and 16,032.12 is: 22,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778.79 : 39,714.61 = 16,032.12 : x
  2. Step 2: Convert to fraction form
    28,778.79/39,714.61 = 16,032.12/x
  3. Step 3: Cross multiply
    28,778.79x = 39,714.61 × 16,032.12
  4. Step 4: Simplify right side
    28,778.79x = 636,709,393.27
  5. Step 5: Solve for x
    x = 636,709,393.27/28,778.79
  6. Step 6: Final answer
    x = 22,124.26

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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.