Home / 27,750.83-38,295.37-15,175.31

Finding the Fourth Proportional to 27,750.83, 38,295.37 and 15,175.31

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Solution

The fourth proportional to 27,750.83, 38,295.37 and 15,175.31 is: 20,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.83 : 38,295.37 = 15,175.31 : x
  2. Step 2: Convert to fraction form
    27,750.83/38,295.37 = 15,175.31/x
  3. Step 3: Cross multiply
    27,750.83x = 38,295.37 × 15,175.31
  4. Step 4: Simplify right side
    27,750.83x = 581,144,207.05
  5. Step 5: Solve for x
    x = 581,144,207.05/27,750.83
  6. Step 6: Final answer
    x = 20,941.51

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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.