Home / 27,845.66-38,423.56-17,779.99

Finding the Fourth Proportional to 27,845.66, 38,423.56 and 17,779.99

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Solution

The fourth proportional to 27,845.66, 38,423.56 and 17,779.99 is: 24,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.66 : 38,423.56 = 17,779.99 : x
  2. Step 2: Convert to fraction form
    27,845.66/38,423.56 = 17,779.99/x
  3. Step 3: Cross multiply
    27,845.66x = 38,423.56 × 17,779.99
  4. Step 4: Simplify right side
    27,845.66x = 683,170,512.56
  5. Step 5: Solve for x
    x = 683,170,512.56/27,845.66
  6. Step 6: Final answer
    x = 24,534.18

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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.