Home / 27,885.95-41,849.59-15,416.72

Finding the Fourth Proportional to 27,885.95, 41,849.59 and 15,416.72

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Solution

The fourth proportional to 27,885.95, 41,849.59 and 15,416.72 is: 23,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.95 : 41,849.59 = 15,416.72 : x
  2. Step 2: Convert to fraction form
    27,885.95/41,849.59 = 15,416.72/x
  3. Step 3: Cross multiply
    27,885.95x = 41,849.59 × 15,416.72
  4. Step 4: Simplify right side
    27,885.95x = 645,183,163.36
  5. Step 5: Solve for x
    x = 645,183,163.36/27,885.95
  6. Step 6: Final answer
    x = 23,136.49

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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.