Home / 27,261.70-37,618.93-15,322.80

Finding the Fourth Proportional to 27,261.70, 37,618.93 and 15,322.80

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Solution

The fourth proportional to 27,261.70, 37,618.93 and 15,322.80 is: 21,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.70 : 37,618.93 = 15,322.80 : x
  2. Step 2: Convert to fraction form
    27,261.70/37,618.93 = 15,322.80/x
  3. Step 3: Cross multiply
    27,261.70x = 37,618.93 × 15,322.80
  4. Step 4: Simplify right side
    27,261.70x = 576,427,500.83
  5. Step 5: Solve for x
    x = 576,427,500.83/27,261.70
  6. Step 6: Final answer
    x = 21,144.23

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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.