Home / 27,147.21-37,462.68-15,210.51

Finding the Fourth Proportional to 27,147.21, 37,462.68 and 15,210.51

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Solution

The fourth proportional to 27,147.21, 37,462.68 and 15,210.51 is: 20,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.21 : 37,462.68 = 15,210.51 : x
  2. Step 2: Convert to fraction form
    27,147.21/37,462.68 = 15,210.51/x
  3. Step 3: Cross multiply
    27,147.21x = 37,462.68 × 15,210.51
  4. Step 4: Simplify right side
    27,147.21x = 569,826,468.77
  5. Step 5: Solve for x
    x = 569,826,468.77/27,147.21
  6. Step 6: Final answer
    x = 20,990.24

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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.