Home / 28,218.96-38,926.44-26,216.64

Finding the Fourth Proportional to 28,218.96, 38,926.44 and 26,216.64

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Solution

The fourth proportional to 28,218.96, 38,926.44 and 26,216.64 is: 36,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218.96 : 38,926.44 = 26,216.64 : x
  2. Step 2: Convert to fraction form
    28,218.96/38,926.44 = 26,216.64/x
  3. Step 3: Cross multiply
    28,218.96x = 38,926.44 × 26,216.64
  4. Step 4: Simplify right side
    28,218.96x = 1,020,520,463.96
  5. Step 5: Solve for x
    x = 1,020,520,463.96/28,218.96
  6. Step 6: Final answer
    x = 36,164.35

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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.