Home / 27,268.86-37,631.09-15,332.30

Finding the Fourth Proportional to 27,268.86, 37,631.09 and 15,332.30

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Solution

The fourth proportional to 27,268.86, 37,631.09 and 15,332.30 is: 21,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,268.86 : 37,631.09 = 15,332.30 : x
  2. Step 2: Convert to fraction form
    27,268.86/37,631.09 = 15,332.30/x
  3. Step 3: Cross multiply
    27,268.86x = 37,631.09 × 15,332.30
  4. Step 4: Simplify right side
    27,268.86x = 576,971,161.21
  5. Step 5: Solve for x
    x = 576,971,161.21/27,268.86
  6. Step 6: Final answer
    x = 21,158.61

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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.