Home / 28,781.39-39,719.00-16,035.44

Finding the Fourth Proportional to 28,781.39, 39,719.00 and 16,035.44

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Solution

The fourth proportional to 28,781.39, 39,719.00 and 16,035.44 is: 22,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,781.39 : 39,719.00 = 16,035.44 : x
  2. Step 2: Convert to fraction form
    28,781.39/39,719.00 = 16,035.44/x
  3. Step 3: Cross multiply
    28,781.39x = 39,719.00 × 16,035.44
  4. Step 4: Simplify right side
    28,781.39x = 636,911,482.85
  5. Step 5: Solve for x
    x = 636,911,482.85/28,781.39
  6. Step 6: Final answer
    x = 22,129.28

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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.