Home / 28,781.12-39,714.62-16,032.26

Finding the Fourth Proportional to 28,781.12, 39,714.62 and 16,032.26

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Solution

The fourth proportional to 28,781.12, 39,714.62 and 16,032.26 is: 22,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.12 : 39,714.62 = 16,032.26 : x
  2. Step 2: Convert to fraction form
    28,781.12/39,714.62 = 16,032.26/x
  3. Step 3: Cross multiply
    28,781.12x = 39,714.62 × 16,032.26
  4. Step 4: Simplify right side
    28,781.12x = 636,715,113.64
  5. Step 5: Solve for x
    x = 636,715,113.64/28,781.12
  6. Step 6: Final answer
    x = 22,122.67

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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.