Home / 27,208.24-40,812.30-9,678.76

Finding the Fourth Proportional to 27,208.24, 40,812.30 and 9,678.76

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Solution

The fourth proportional to 27,208.24, 40,812.30 and 9,678.76 is: 14,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208.24 : 40,812.30 = 9,678.76 : x
  2. Step 2: Convert to fraction form
    27,208.24/40,812.30 = 9,678.76/x
  3. Step 3: Cross multiply
    27,208.24x = 40,812.30 × 9,678.76
  4. Step 4: Simplify right side
    27,208.24x = 395,012,456.75
  5. Step 5: Solve for x
    x = 395,012,456.75/27,208.24
  6. Step 6: Final answer
    x = 14,518.12

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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.