Home / 27,156.31-37,475.66-15,219.65

Finding the Fourth Proportional to 27,156.31, 37,475.66 and 15,219.65

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Solution

The fourth proportional to 27,156.31, 37,475.66 and 15,219.65 is: 21,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.31 : 37,475.66 = 15,219.65 : x
  2. Step 2: Convert to fraction form
    27,156.31/37,475.66 = 15,219.65/x
  3. Step 3: Cross multiply
    27,156.31x = 37,475.66 × 15,219.65
  4. Step 4: Simplify right side
    27,156.31x = 570,366,349.66
  5. Step 5: Solve for x
    x = 570,366,349.66/27,156.31
  6. Step 6: Final answer
    x = 21,003.08

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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.