Home / 25,321.12-37,981.76-6,853.12

Finding the Fourth Proportional to 25,321.12, 37,981.76 and 6,853.12

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Solution

The fourth proportional to 25,321.12, 37,981.76 and 6,853.12 is: 10,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.12 : 37,981.76 = 6,853.12 : x
  2. Step 2: Convert to fraction form
    25,321.12/37,981.76 = 6,853.12/x
  3. Step 3: Cross multiply
    25,321.12x = 37,981.76 × 6,853.12
  4. Step 4: Simplify right side
    25,321.12x = 260,293,559.09
  5. Step 5: Solve for x
    x = 260,293,559.09/25,321.12
  6. Step 6: Final answer
    x = 10,279.70

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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.