Home / 28,147.96-42,209.52-14,997.52

Finding the Fourth Proportional to 28,147.96, 42,209.52 and 14,997.52

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Solution

The fourth proportional to 28,147.96, 42,209.52 and 14,997.52 is: 22,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.96 : 42,209.52 = 14,997.52 : x
  2. Step 2: Convert to fraction form
    28,147.96/42,209.52 = 14,997.52/x
  3. Step 3: Cross multiply
    28,147.96x = 42,209.52 × 14,997.52
  4. Step 4: Simplify right side
    28,147.96x = 633,038,120.39
  5. Step 5: Solve for x
    x = 633,038,120.39/28,147.96
  6. Step 6: Final answer
    x = 22,489.66

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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.