Home / 27,870.24-41,809.36-9,151.76

Finding the Fourth Proportional to 27,870.24, 41,809.36 and 9,151.76

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Solution

The fourth proportional to 27,870.24, 41,809.36 and 9,151.76 is: 13,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.24 : 41,809.36 = 9,151.76 : x
  2. Step 2: Convert to fraction form
    27,870.24/41,809.36 = 9,151.76/x
  3. Step 3: Cross multiply
    27,870.24x = 41,809.36 × 9,151.76
  4. Step 4: Simplify right side
    27,870.24x = 382,629,228.47
  5. Step 5: Solve for x
    x = 382,629,228.47/27,870.24
  6. Step 6: Final answer
    x = 13,728.95

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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.