Home / 27,411.58-41,118.85-8,690.25

Finding the Fourth Proportional to 27,411.58, 41,118.85 and 8,690.25

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Solution

The fourth proportional to 27,411.58, 41,118.85 and 8,690.25 is: 13,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,411.58 : 41,118.85 = 8,690.25 : x
  2. Step 2: Convert to fraction form
    27,411.58/41,118.85 = 8,690.25/x
  3. Step 3: Cross multiply
    27,411.58x = 41,118.85 × 8,690.25
  4. Step 4: Simplify right side
    27,411.58x = 357,333,086.21
  5. Step 5: Solve for x
    x = 357,333,086.21/27,411.58
  6. Step 6: Final answer
    x = 13,035.84

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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.