Home / 27,216.13-40,836.75-12,429.58

Finding the Fourth Proportional to 27,216.13, 40,836.75 and 12,429.58

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Solution

The fourth proportional to 27,216.13, 40,836.75 and 12,429.58 is: 18,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.13 : 40,836.75 = 12,429.58 : x
  2. Step 2: Convert to fraction form
    27,216.13/40,836.75 = 12,429.58/x
  3. Step 3: Cross multiply
    27,216.13x = 40,836.75 × 12,429.58
  4. Step 4: Simplify right side
    27,216.13x = 507,583,651.07
  5. Step 5: Solve for x
    x = 507,583,651.07/27,216.13
  6. Step 6: Final answer
    x = 18,650.10

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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.