Home / 27,342.16-37,732.88-15,405.92

Finding the Fourth Proportional to 27,342.16, 37,732.88 and 15,405.92

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Solution

The fourth proportional to 27,342.16, 37,732.88 and 15,405.92 is: 21,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.16 : 37,732.88 = 15,405.92 : x
  2. Step 2: Convert to fraction form
    27,342.16/37,732.88 = 15,405.92/x
  3. Step 3: Cross multiply
    27,342.16x = 37,732.88 × 15,405.92
  4. Step 4: Simplify right side
    27,342.16x = 581,309,730.65
  5. Step 5: Solve for x
    x = 581,309,730.65/27,342.16
  6. Step 6: Final answer
    x = 21,260.56

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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.