Home / 27,217.80-40,776.30-15,496.20

Finding the Fourth Proportional to 27,217.80, 40,776.30 and 15,496.20

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Solution

The fourth proportional to 27,217.80, 40,776.30 and 15,496.20 is: 23,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.80 : 40,776.30 = 15,496.20 : x
  2. Step 2: Convert to fraction form
    27,217.80/40,776.30 = 15,496.20/x
  3. Step 3: Cross multiply
    27,217.80x = 40,776.30 × 15,496.20
  4. Step 4: Simplify right side
    27,217.80x = 631,877,700.06
  5. Step 5: Solve for x
    x = 631,877,700.06/27,217.80
  6. Step 6: Final answer
    x = 23,215.61

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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.