Home / 27,652.64-38,148.50-18,696.90

Finding the Fourth Proportional to 27,652.64, 38,148.50 and 18,696.90

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Solution

The fourth proportional to 27,652.64, 38,148.50 and 18,696.90 is: 25,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.64 : 38,148.50 = 18,696.90 : x
  2. Step 2: Convert to fraction form
    27,652.64/38,148.50 = 18,696.90/x
  3. Step 3: Cross multiply
    27,652.64x = 38,148.50 × 18,696.90
  4. Step 4: Simplify right side
    27,652.64x = 713,258,689.65
  5. Step 5: Solve for x
    x = 713,258,689.65/27,652.64
  6. Step 6: Final answer
    x = 25,793.51

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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.