Home / 25,177.40-37,769.70-8,538.20

Finding the Fourth Proportional to 25,177.40, 37,769.70 and 8,538.20

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Solution

The fourth proportional to 25,177.40, 37,769.70 and 8,538.20 is: 12,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.40 : 37,769.70 = 8,538.20 : x
  2. Step 2: Convert to fraction form
    25,177.40/37,769.70 = 8,538.20/x
  3. Step 3: Cross multiply
    25,177.40x = 37,769.70 × 8,538.20
  4. Step 4: Simplify right side
    25,177.40x = 322,485,252.54
  5. Step 5: Solve for x
    x = 322,485,252.54/25,177.40
  6. Step 6: Final answer
    x = 12,808.52

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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.