Home / 27,565.56-38,043.76-16,387.56

Finding the Fourth Proportional to 27,565.56, 38,043.76 and 16,387.56

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Solution

The fourth proportional to 27,565.56, 38,043.76 and 16,387.56 is: 22,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.56 : 38,043.76 = 16,387.56 : x
  2. Step 2: Convert to fraction form
    27,565.56/38,043.76 = 16,387.56/x
  3. Step 3: Cross multiply
    27,565.56x = 38,043.76 × 16,387.56
  4. Step 4: Simplify right side
    27,565.56x = 623,444,399.63
  5. Step 5: Solve for x
    x = 623,444,399.63/27,565.56
  6. Step 6: Final answer
    x = 22,616.79

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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.