Home / 28,018.52-42,027.76-10,496.60

Finding the Fourth Proportional to 28,018.52, 42,027.76 and 10,496.60

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Solution

The fourth proportional to 28,018.52, 42,027.76 and 10,496.60 is: 15,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.52 : 42,027.76 = 10,496.60 : x
  2. Step 2: Convert to fraction form
    28,018.52/42,027.76 = 10,496.60/x
  3. Step 3: Cross multiply
    28,018.52x = 42,027.76 × 10,496.60
  4. Step 4: Simplify right side
    28,018.52x = 441,148,585.62
  5. Step 5: Solve for x
    x = 441,148,585.62/28,018.52
  6. Step 6: Final answer
    x = 15,744.89

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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.