Home / 25,809.27-38,730.29-11,018.30

Finding the Fourth Proportional to 25,809.27, 38,730.29 and 11,018.30

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Solution

The fourth proportional to 25,809.27, 38,730.29 and 11,018.30 is: 16,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.27 : 38,730.29 = 11,018.30 : x
  2. Step 2: Convert to fraction form
    25,809.27/38,730.29 = 11,018.30/x
  3. Step 3: Cross multiply
    25,809.27x = 38,730.29 × 11,018.30
  4. Step 4: Simplify right side
    25,809.27x = 426,741,705.56
  5. Step 5: Solve for x
    x = 426,741,705.56/25,809.27
  6. Step 6: Final answer
    x = 16,534.44

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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.