Home / 25,387.56-38,081.40-6,919.56

Finding the Fourth Proportional to 25,387.56, 38,081.40 and 6,919.56

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Solution

The fourth proportional to 25,387.56, 38,081.40 and 6,919.56 is: 10,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,387.56 : 38,081.40 = 6,919.56 : x
  2. Step 2: Convert to fraction form
    25,387.56/38,081.40 = 6,919.56/x
  3. Step 3: Cross multiply
    25,387.56x = 38,081.40 × 6,919.56
  4. Step 4: Simplify right side
    25,387.56x = 263,506,532.18
  5. Step 5: Solve for x
    x = 263,506,532.18/25,387.56
  6. Step 6: Final answer
    x = 10,379.36

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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.