Home / 27,289.10-37,658.59-15,352.43

Finding the Fourth Proportional to 27,289.10, 37,658.59 and 15,352.43

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Solution

The fourth proportional to 27,289.10, 37,658.59 and 15,352.43 is: 21,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289.10 : 37,658.59 = 15,352.43 : x
  2. Step 2: Convert to fraction form
    27,289.10/37,658.59 = 15,352.43/x
  3. Step 3: Cross multiply
    27,289.10x = 37,658.59 × 15,352.43
  4. Step 4: Simplify right side
    27,289.10x = 578,150,640.20
  5. Step 5: Solve for x
    x = 578,150,640.20/27,289.10
  6. Step 6: Final answer
    x = 21,186.14

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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.