Home / 27,583.66-38,064.24-15,318.31

Finding the Fourth Proportional to 27,583.66, 38,064.24 and 15,318.31

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Solution

The fourth proportional to 27,583.66, 38,064.24 and 15,318.31 is: 21,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,583.66 : 38,064.24 = 15,318.31 : x
  2. Step 2: Convert to fraction form
    27,583.66/38,064.24 = 15,318.31/x
  3. Step 3: Cross multiply
    27,583.66x = 38,064.24 × 15,318.31
  4. Step 4: Simplify right side
    27,583.66x = 583,079,828.23
  5. Step 5: Solve for x
    x = 583,079,828.23/27,583.66
  6. Step 6: Final answer
    x = 21,138.60

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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.