Home / 27,425.12-37,844.51-15,489.63

Finding the Fourth Proportional to 27,425.12, 37,844.51 and 15,489.63

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Solution

The fourth proportional to 27,425.12, 37,844.51 and 15,489.63 is: 21,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.12 : 37,844.51 = 15,489.63 : x
  2. Step 2: Convert to fraction form
    27,425.12/37,844.51 = 15,489.63/x
  3. Step 3: Cross multiply
    27,425.12x = 37,844.51 × 15,489.63
  4. Step 4: Simplify right side
    27,425.12x = 586,197,379.98
  5. Step 5: Solve for x
    x = 586,197,379.98/27,425.12
  6. Step 6: Final answer
    x = 21,374.47

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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.