Home / 27,315.09-40,998.15-14,176.69

Finding the Fourth Proportional to 27,315.09, 40,998.15 and 14,176.69

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Solution

The fourth proportional to 27,315.09, 40,998.15 and 14,176.69 is: 21,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.09 : 40,998.15 = 14,176.69 : x
  2. Step 2: Convert to fraction form
    27,315.09/40,998.15 = 14,176.69/x
  3. Step 3: Cross multiply
    27,315.09x = 40,998.15 × 14,176.69
  4. Step 4: Simplify right side
    27,315.09x = 581,217,960.63
  5. Step 5: Solve for x
    x = 581,217,960.63/27,315.09
  6. Step 6: Final answer
    x = 21,278.27

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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.