Home / 28,441.52-39,259.40-18,751.76

Finding the Fourth Proportional to 28,441.52, 39,259.40 and 18,751.76

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Solution

The fourth proportional to 28,441.52, 39,259.40 and 18,751.76 is: 25,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.52 : 39,259.40 = 18,751.76 : x
  2. Step 2: Convert to fraction form
    28,441.52/39,259.40 = 18,751.76/x
  3. Step 3: Cross multiply
    28,441.52x = 39,259.40 × 18,751.76
  4. Step 4: Simplify right side
    28,441.52x = 736,182,846.54
  5. Step 5: Solve for x
    x = 736,182,846.54/28,441.52
  6. Step 6: Final answer
    x = 25,884.09

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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.