Home / 27,095.13-37,390.40-15,158.21

Finding the Fourth Proportional to 27,095.13, 37,390.40 and 15,158.21

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Solution

The fourth proportional to 27,095.13, 37,390.40 and 15,158.21 is: 20,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,095.13 : 37,390.40 = 15,158.21 : x
  2. Step 2: Convert to fraction form
    27,095.13/37,390.40 = 15,158.21/x
  3. Step 3: Cross multiply
    27,095.13x = 37,390.40 × 15,158.21
  4. Step 4: Simplify right side
    27,095.13x = 566,771,272.44
  5. Step 5: Solve for x
    x = 566,771,272.44/27,095.13
  6. Step 6: Final answer
    x = 20,917.83

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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.