Home / 27,318.66-37,707.30-15,990.54

Finding the Fourth Proportional to 27,318.66, 37,707.30 and 15,990.54

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Solution

The fourth proportional to 27,318.66, 37,707.30 and 15,990.54 is: 22,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.66 : 37,707.30 = 15,990.54 : x
  2. Step 2: Convert to fraction form
    27,318.66/37,707.30 = 15,990.54/x
  3. Step 3: Cross multiply
    27,318.66x = 37,707.30 × 15,990.54
  4. Step 4: Simplify right side
    27,318.66x = 602,960,088.94
  5. Step 5: Solve for x
    x = 602,960,088.94/27,318.66
  6. Step 6: Final answer
    x = 22,071.36

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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.