Home / 27,019.94-37,285.30-15,685.81

Finding the Fourth Proportional to 27,019.94, 37,285.30 and 15,685.81

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Solution

The fourth proportional to 27,019.94, 37,285.30 and 15,685.81 is: 21,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.94 : 37,285.30 = 15,685.81 : x
  2. Step 2: Convert to fraction form
    27,019.94/37,285.30 = 15,685.81/x
  3. Step 3: Cross multiply
    27,019.94x = 37,285.30 × 15,685.81
  4. Step 4: Simplify right side
    27,019.94x = 584,850,074.62
  5. Step 5: Solve for x
    x = 584,850,074.62/27,019.94
  6. Step 6: Final answer
    x = 21,645.13

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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.