Home / 28,023.81-38,670.53-16,084.62

Finding the Fourth Proportional to 28,023.81, 38,670.53 and 16,084.62

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Solution

The fourth proportional to 28,023.81, 38,670.53 and 16,084.62 is: 22,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.81 : 38,670.53 = 16,084.62 : x
  2. Step 2: Convert to fraction form
    28,023.81/38,670.53 = 16,084.62/x
  3. Step 3: Cross multiply
    28,023.81x = 38,670.53 × 16,084.62
  4. Step 4: Simplify right side
    28,023.81x = 622,000,699.83
  5. Step 5: Solve for x
    x = 622,000,699.83/28,023.81
  6. Step 6: Final answer
    x = 22,195.44

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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.