Home / 25,189.48-37,789.98-7,661.80

Finding the Fourth Proportional to 25,189.48, 37,789.98 and 7,661.80

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Solution

The fourth proportional to 25,189.48, 37,789.98 and 7,661.80 is: 11,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.48 : 37,789.98 = 7,661.80 : x
  2. Step 2: Convert to fraction form
    25,189.48/37,789.98 = 7,661.80/x
  3. Step 3: Cross multiply
    25,189.48x = 37,789.98 × 7,661.80
  4. Step 4: Simplify right side
    25,189.48x = 289,539,268.76
  5. Step 5: Solve for x
    x = 289,539,268.76/25,189.48
  6. Step 6: Final answer
    x = 11,494.45

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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.