Home / 27,903.42-38,505.33-15,328.62

Finding the Fourth Proportional to 27,903.42, 38,505.33 and 15,328.62

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Solution

The fourth proportional to 27,903.42, 38,505.33 and 15,328.62 is: 21,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.42 : 38,505.33 = 15,328.62 : x
  2. Step 2: Convert to fraction form
    27,903.42/38,505.33 = 15,328.62/x
  3. Step 3: Cross multiply
    27,903.42x = 38,505.33 × 15,328.62
  4. Step 4: Simplify right side
    27,903.42x = 590,233,571.54
  5. Step 5: Solve for x
    x = 590,233,571.54/27,903.42
  6. Step 6: Final answer
    x = 21,152.73

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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.