Home / 27,807.72-38,374.29-15,232.56

Finding the Fourth Proportional to 27,807.72, 38,374.29 and 15,232.56

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Solution

The fourth proportional to 27,807.72, 38,374.29 and 15,232.56 is: 21,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.72 : 38,374.29 = 15,232.56 : x
  2. Step 2: Convert to fraction form
    27,807.72/38,374.29 = 15,232.56/x
  3. Step 3: Cross multiply
    27,807.72x = 38,374.29 × 15,232.56
  4. Step 4: Simplify right side
    27,807.72x = 584,538,674.88
  5. Step 5: Solve for x
    x = 584,538,674.88/27,807.72
  6. Step 6: Final answer
    x = 21,020.73

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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.