Home / 27,380.30-41,108.28-18,925.98

Finding the Fourth Proportional to 27,380.30, 41,108.28 and 18,925.98

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Solution

The fourth proportional to 27,380.30, 41,108.28 and 18,925.98 is: 28,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.30 : 41,108.28 = 18,925.98 : x
  2. Step 2: Convert to fraction form
    27,380.30/41,108.28 = 18,925.98/x
  3. Step 3: Cross multiply
    27,380.30x = 41,108.28 × 18,925.98
  4. Step 4: Simplify right side
    27,380.30x = 778,014,485.11
  5. Step 5: Solve for x
    x = 778,014,485.11/27,380.30
  6. Step 6: Final answer
    x = 28,415.12

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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.