Home / 27,019.80-37,283.58-15,687.48

Finding the Fourth Proportional to 27,019.80, 37,283.58 and 15,687.48

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Solution

The fourth proportional to 27,019.80, 37,283.58 and 15,687.48 is: 21,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.80 : 37,283.58 = 15,687.48 : x
  2. Step 2: Convert to fraction form
    27,019.80/37,283.58 = 15,687.48/x
  3. Step 3: Cross multiply
    27,019.80x = 37,283.58 × 15,687.48
  4. Step 4: Simplify right side
    27,019.80x = 584,885,415.58
  5. Step 5: Solve for x
    x = 584,885,415.58/27,019.80
  6. Step 6: Final answer
    x = 21,646.55

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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.