Home / 27,157.31-37,477.04-15,220.65

Finding the Fourth Proportional to 27,157.31, 37,477.04 and 15,220.65

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Solution

The fourth proportional to 27,157.31, 37,477.04 and 15,220.65 is: 21,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.31 : 37,477.04 = 15,220.65 : x
  2. Step 2: Convert to fraction form
    27,157.31/37,477.04 = 15,220.65/x
  3. Step 3: Cross multiply
    27,157.31x = 37,477.04 × 15,220.65
  4. Step 4: Simplify right side
    27,157.31x = 570,424,908.88
  5. Step 5: Solve for x
    x = 570,424,908.88/27,157.31
  6. Step 6: Final answer
    x = 21,004.47

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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.