Home / 27,750.16-38,295.24-15,174.94

Finding the Fourth Proportional to 27,750.16, 38,295.24 and 15,174.94

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Solution

The fourth proportional to 27,750.16, 38,295.24 and 15,174.94 is: 20,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.16 : 38,295.24 = 15,174.94 : x
  2. Step 2: Convert to fraction form
    27,750.16/38,295.24 = 15,174.94/x
  3. Step 3: Cross multiply
    27,750.16x = 38,295.24 × 15,174.94
  4. Step 4: Simplify right side
    27,750.16x = 581,127,969.29
  5. Step 5: Solve for x
    x = 581,127,969.29/27,750.16
  6. Step 6: Final answer
    x = 20,941.43

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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.