Home / 27,699.02-41,486.56-12,885.74

Finding the Fourth Proportional to 27,699.02, 41,486.56 and 12,885.74

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Solution

The fourth proportional to 27,699.02, 41,486.56 and 12,885.74 is: 19,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.02 : 41,486.56 = 12,885.74 : x
  2. Step 2: Convert to fraction form
    27,699.02/41,486.56 = 12,885.74/x
  3. Step 3: Cross multiply
    27,699.02x = 41,486.56 × 12,885.74
  4. Step 4: Simplify right side
    27,699.02x = 534,585,025.65
  5. Step 5: Solve for x
    x = 534,585,025.65/27,699.02
  6. Step 6: Final answer
    x = 19,299.78

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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.