Home / 27,969.99-38,599.35-15,223.29

Finding the Fourth Proportional to 27,969.99, 38,599.35 and 15,223.29

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Solution

The fourth proportional to 27,969.99, 38,599.35 and 15,223.29 is: 21,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.99 : 38,599.35 = 15,223.29 : x
  2. Step 2: Convert to fraction form
    27,969.99/38,599.35 = 15,223.29/x
  3. Step 3: Cross multiply
    27,969.99x = 38,599.35 × 15,223.29
  4. Step 4: Simplify right side
    27,969.99x = 587,609,098.86
  5. Step 5: Solve for x
    x = 587,609,098.86/27,969.99
  6. Step 6: Final answer
    x = 21,008.56

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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.