Home / 27,758.48-38,319.20-17,700.44

Finding the Fourth Proportional to 27,758.48, 38,319.20 and 17,700.44

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Solution

The fourth proportional to 27,758.48, 38,319.20 and 17,700.44 is: 24,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758.48 : 38,319.20 = 17,700.44 : x
  2. Step 2: Convert to fraction form
    27,758.48/38,319.20 = 17,700.44/x
  3. Step 3: Cross multiply
    27,758.48x = 38,319.20 × 17,700.44
  4. Step 4: Simplify right side
    27,758.48x = 678,266,700.45
  5. Step 5: Solve for x
    x = 678,266,700.45/27,758.48
  6. Step 6: Final answer
    x = 24,434.58

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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.