Home / 27,622.33-38,118.83-15,047.08

Finding the Fourth Proportional to 27,622.33, 38,118.83 and 15,047.08

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Solution

The fourth proportional to 27,622.33, 38,118.83 and 15,047.08 is: 20,764.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.33 : 38,118.83 = 15,047.08 : x
  2. Step 2: Convert to fraction form
    27,622.33/38,118.83 = 15,047.08/x
  3. Step 3: Cross multiply
    27,622.33x = 38,118.83 × 15,047.08
  4. Step 4: Simplify right side
    27,622.33x = 573,577,084.52
  5. Step 5: Solve for x
    x = 573,577,084.52/27,622.33
  6. Step 6: Final answer
    x = 20,764.98

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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.