Home / 27,039.29-40,567.16-12,818.70

Finding the Fourth Proportional to 27,039.29, 40,567.16 and 12,818.70

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Solution

The fourth proportional to 27,039.29, 40,567.16 and 12,818.70 is: 19,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.29 : 40,567.16 = 12,818.70 : x
  2. Step 2: Convert to fraction form
    27,039.29/40,567.16 = 12,818.70/x
  3. Step 3: Cross multiply
    27,039.29x = 40,567.16 × 12,818.70
  4. Step 4: Simplify right side
    27,039.29x = 520,018,189.80
  5. Step 5: Solve for x
    x = 520,018,189.80/27,039.29
  6. Step 6: Final answer
    x = 19,231.95

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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.