Home / 27,280.44-37,646.46-15,343.65

Finding the Fourth Proportional to 27,280.44, 37,646.46 and 15,343.65

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Solution

The fourth proportional to 27,280.44, 37,646.46 and 15,343.65 is: 21,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.44 : 37,646.46 = 15,343.65 : x
  2. Step 2: Convert to fraction form
    27,280.44/37,646.46 = 15,343.65/x
  3. Step 3: Cross multiply
    27,280.44x = 37,646.46 × 15,343.65
  4. Step 4: Simplify right side
    27,280.44x = 577,634,105.98
  5. Step 5: Solve for x
    x = 577,634,105.98/27,280.44
  6. Step 6: Final answer
    x = 21,173.93

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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.