Home / 27,750.90-38,295.46-15,175.38

Finding the Fourth Proportional to 27,750.90, 38,295.46 and 15,175.38

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Solution

The fourth proportional to 27,750.90, 38,295.46 and 15,175.38 is: 20,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.90 : 38,295.46 = 15,175.38 : x
  2. Step 2: Convert to fraction form
    27,750.90/38,295.46 = 15,175.38/x
  3. Step 3: Cross multiply
    27,750.90x = 38,295.46 × 15,175.38
  4. Step 4: Simplify right side
    27,750.90x = 581,148,157.77
  5. Step 5: Solve for x
    x = 581,148,157.77/27,750.90
  6. Step 6: Final answer
    x = 20,941.60

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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.