Home / 27,966.80-38,594.58-15,220.40

Finding the Fourth Proportional to 27,966.80, 38,594.58 and 15,220.40

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Solution

The fourth proportional to 27,966.80, 38,594.58 and 15,220.40 is: 21,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.80 : 38,594.58 = 15,220.40 : x
  2. Step 2: Convert to fraction form
    27,966.80/38,594.58 = 15,220.40/x
  3. Step 3: Cross multiply
    27,966.80x = 38,594.58 × 15,220.40
  4. Step 4: Simplify right side
    27,966.80x = 587,424,945.43
  5. Step 5: Solve for x
    x = 587,424,945.43/27,966.80
  6. Step 6: Final answer
    x = 21,004.37

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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.