Home / 28,618.58-39,493.50-18,022.16

Finding the Fourth Proportional to 28,618.58, 39,493.50 and 18,022.16

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Solution

The fourth proportional to 28,618.58, 39,493.50 and 18,022.16 is: 24,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618.58 : 39,493.50 = 18,022.16 : x
  2. Step 2: Convert to fraction form
    28,618.58/39,493.50 = 18,022.16/x
  3. Step 3: Cross multiply
    28,618.58x = 39,493.50 × 18,022.16
  4. Step 4: Simplify right side
    28,618.58x = 711,758,175.96
  5. Step 5: Solve for x
    x = 711,758,175.96/28,618.58
  6. Step 6: Final answer
    x = 24,870.49

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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.