Home / 28,489.56-42,688.26-23,297.88

Finding the Fourth Proportional to 28,489.56, 42,688.26 and 23,297.88

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Solution

The fourth proportional to 28,489.56, 42,688.26 and 23,297.88 is: 34,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489.56 : 42,688.26 = 23,297.88 : x
  2. Step 2: Convert to fraction form
    28,489.56/42,688.26 = 23,297.88/x
  3. Step 3: Cross multiply
    28,489.56x = 42,688.26 × 23,297.88
  4. Step 4: Simplify right side
    28,489.56x = 994,545,958.89
  5. Step 5: Solve for x
    x = 994,545,958.89/28,489.56
  6. Step 6: Final answer
    x = 34,909.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.