Home / 27,216.50-40,829.52-12,426.91

Finding the Fourth Proportional to 27,216.50, 40,829.52 and 12,426.91

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Solution

The fourth proportional to 27,216.50, 40,829.52 and 12,426.91 is: 18,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.50 : 40,829.52 = 12,426.91 : x
  2. Step 2: Convert to fraction form
    27,216.50/40,829.52 = 12,426.91/x
  3. Step 3: Cross multiply
    27,216.50x = 40,829.52 × 12,426.91
  4. Step 4: Simplify right side
    27,216.50x = 507,384,714.91
  5. Step 5: Solve for x
    x = 507,384,714.91/27,216.50
  6. Step 6: Final answer
    x = 18,642.54

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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.