Home / 27,261.80-37,618.02-15,323.56

Finding the Fourth Proportional to 27,261.80, 37,618.02 and 15,323.56

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Solution

The fourth proportional to 27,261.80, 37,618.02 and 15,323.56 is: 21,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.80 : 37,618.02 = 15,323.56 : x
  2. Step 2: Convert to fraction form
    27,261.80/37,618.02 = 15,323.56/x
  3. Step 3: Cross multiply
    27,261.80x = 37,618.02 × 15,323.56
  4. Step 4: Simplify right side
    27,261.80x = 576,441,986.55
  5. Step 5: Solve for x
    x = 576,441,986.55/27,261.80
  6. Step 6: Final answer
    x = 21,144.68

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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.