Home / 28,177.92-42,273.60-9,710.08

Finding the Fourth Proportional to 28,177.92, 42,273.60 and 9,710.08

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Solution

The fourth proportional to 28,177.92, 42,273.60 and 9,710.08 is: 14,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.92 : 42,273.60 = 9,710.08 : x
  2. Step 2: Convert to fraction form
    28,177.92/42,273.60 = 9,710.08/x
  3. Step 3: Cross multiply
    28,177.92x = 42,273.60 × 9,710.08
  4. Step 4: Simplify right side
    28,177.92x = 410,480,037.89
  5. Step 5: Solve for x
    x = 410,480,037.89/28,177.92
  6. Step 6: Final answer
    x = 14,567.44

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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.