Home / 27,570.64-38,047.44-16,815.56

Finding the Fourth Proportional to 27,570.64, 38,047.44 and 16,815.56

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Solution

The fourth proportional to 27,570.64, 38,047.44 and 16,815.56 is: 23,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.64 : 38,047.44 = 16,815.56 : x
  2. Step 2: Convert to fraction form
    27,570.64/38,047.44 = 16,815.56/x
  3. Step 3: Cross multiply
    27,570.64x = 38,047.44 × 16,815.56
  4. Step 4: Simplify right side
    27,570.64x = 639,789,010.17
  5. Step 5: Solve for x
    x = 639,789,010.17/27,570.64
  6. Step 6: Final answer
    x = 23,205.45

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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.