Home / 27,655.29-38,164.68-15,080.04

Finding the Fourth Proportional to 27,655.29, 38,164.68 and 15,080.04

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Solution

The fourth proportional to 27,655.29, 38,164.68 and 15,080.04 is: 20,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655.29 : 38,164.68 = 15,080.04 : x
  2. Step 2: Convert to fraction form
    27,655.29/38,164.68 = 15,080.04/x
  3. Step 3: Cross multiply
    27,655.29x = 38,164.68 × 15,080.04
  4. Step 4: Simplify right side
    27,655.29x = 575,524,900.99
  5. Step 5: Solve for x
    x = 575,524,900.99/27,655.29
  6. Step 6: Final answer
    x = 20,810.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.