Home / 27,267.10-37,627.63-15,331.12

Finding the Fourth Proportional to 27,267.10, 37,627.63 and 15,331.12

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Solution

The fourth proportional to 27,267.10, 37,627.63 and 15,331.12 is: 21,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,267.10 : 37,627.63 = 15,331.12 : x
  2. Step 2: Convert to fraction form
    27,267.10/37,627.63 = 15,331.12/x
  3. Step 3: Cross multiply
    27,267.10x = 37,627.63 × 15,331.12
  4. Step 4: Simplify right side
    27,267.10x = 576,873,710.85
  5. Step 5: Solve for x
    x = 576,873,710.85/27,267.10
  6. Step 6: Final answer
    x = 21,156.40

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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.