Home / 28,779.03-39,714.95-16,032.38

Finding the Fourth Proportional to 28,779.03, 39,714.95 and 16,032.38

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Solution

The fourth proportional to 28,779.03, 39,714.95 and 16,032.38 is: 22,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.03 : 39,714.95 = 16,032.38 : x
  2. Step 2: Convert to fraction form
    28,779.03/39,714.95 = 16,032.38/x
  3. Step 3: Cross multiply
    28,779.03x = 39,714.95 × 16,032.38
  4. Step 4: Simplify right side
    28,779.03x = 636,725,011.59
  5. Step 5: Solve for x
    x = 636,725,011.59/28,779.03
  6. Step 6: Final answer
    x = 22,124.62

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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.