Home / 27,895.20-38,484.24-17,821.02

Finding the Fourth Proportional to 27,895.20, 38,484.24 and 17,821.02

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Solution

The fourth proportional to 27,895.20, 38,484.24 and 17,821.02 is: 24,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.20 : 38,484.24 = 17,821.02 : x
  2. Step 2: Convert to fraction form
    27,895.20/38,484.24 = 17,821.02/x
  3. Step 3: Cross multiply
    27,895.20x = 38,484.24 × 17,821.02
  4. Step 4: Simplify right side
    27,895.20x = 685,828,321.62
  5. Step 5: Solve for x
    x = 685,828,321.62/27,895.20
  6. Step 6: Final answer
    x = 24,585.89

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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.