Home / 25,703.12-38,555.44-6,983.06

Finding the Fourth Proportional to 25,703.12, 38,555.44 and 6,983.06

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Solution

The fourth proportional to 25,703.12, 38,555.44 and 6,983.06 is: 10,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.12 : 38,555.44 = 6,983.06 : x
  2. Step 2: Convert to fraction form
    25,703.12/38,555.44 = 6,983.06/x
  3. Step 3: Cross multiply
    25,703.12x = 38,555.44 × 6,983.06
  4. Step 4: Simplify right side
    25,703.12x = 269,234,996.77
  5. Step 5: Solve for x
    x = 269,234,996.77/25,703.12
  6. Step 6: Final answer
    x = 10,474.80

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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.