Home / 28,278.08-42,313.44-27,586.88

Finding the Fourth Proportional to 28,278.08, 42,313.44 and 27,586.88

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Solution

The fourth proportional to 28,278.08, 42,313.44 and 27,586.88 is: 41,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.08 : 42,313.44 = 27,586.88 : x
  2. Step 2: Convert to fraction form
    28,278.08/42,313.44 = 27,586.88/x
  3. Step 3: Cross multiply
    28,278.08x = 42,313.44 × 27,586.88
  4. Step 4: Simplify right side
    28,278.08x = 1,167,295,791.67
  5. Step 5: Solve for x
    x = 1,167,295,791.67/28,278.08
  6. Step 6: Final answer
    x = 41,279.17

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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.