Home / 28,241.44-42,347.68-14,921.58

Finding the Fourth Proportional to 28,241.44, 42,347.68 and 14,921.58

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Solution

The fourth proportional to 28,241.44, 42,347.68 and 14,921.58 is: 22,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.44 : 42,347.68 = 14,921.58 : x
  2. Step 2: Convert to fraction form
    28,241.44/42,347.68 = 14,921.58/x
  3. Step 3: Cross multiply
    28,241.44x = 42,347.68 × 14,921.58
  4. Step 4: Simplify right side
    28,241.44x = 631,894,294.93
  5. Step 5: Solve for x
    x = 631,894,294.93/28,241.44
  6. Step 6: Final answer
    x = 22,374.72

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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.