Home / 27,057.01-37,338.61-15,120.35

Finding the Fourth Proportional to 27,057.01, 37,338.61 and 15,120.35

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Solution

The fourth proportional to 27,057.01, 37,338.61 and 15,120.35 is: 20,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.01 : 37,338.61 = 15,120.35 : x
  2. Step 2: Convert to fraction form
    27,057.01/37,338.61 = 15,120.35/x
  3. Step 3: Cross multiply
    27,057.01x = 37,338.61 × 15,120.35
  4. Step 4: Simplify right side
    27,057.01x = 564,572,720.57
  5. Step 5: Solve for x
    x = 564,572,720.57/27,057.01
  6. Step 6: Final answer
    x = 20,866.04

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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.