Home / 28,779.38-39,714.95-16,032.55

Finding the Fourth Proportional to 28,779.38, 39,714.95 and 16,032.55

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Solution

The fourth proportional to 28,779.38, 39,714.95 and 16,032.55 is: 22,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.38 : 39,714.95 = 16,032.55 : x
  2. Step 2: Convert to fraction form
    28,779.38/39,714.95 = 16,032.55/x
  3. Step 3: Cross multiply
    28,779.38x = 39,714.95 × 16,032.55
  4. Step 4: Simplify right side
    28,779.38x = 636,731,921.62
  5. Step 5: Solve for x
    x = 636,731,921.62/28,779.38
  6. Step 6: Final answer
    x = 22,124.59

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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.