Home / 27,969.88-38,598.40-15,394.56

Finding the Fourth Proportional to 27,969.88, 38,598.40 and 15,394.56

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Solution

The fourth proportional to 27,969.88, 38,598.40 and 15,394.56 is: 21,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.88 : 38,598.40 = 15,394.56 : x
  2. Step 2: Convert to fraction form
    27,969.88/38,598.40 = 15,394.56/x
  3. Step 3: Cross multiply
    27,969.88x = 38,598.40 × 15,394.56
  4. Step 4: Simplify right side
    27,969.88x = 594,205,384.70
  5. Step 5: Solve for x
    x = 594,205,384.70/27,969.88
  6. Step 6: Final answer
    x = 21,244.47

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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.