Home / 38,470.09-57,670.30-15,090.25

Finding the Fourth Proportional to 38,470.09, 57,670.30 and 15,090.25

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Solution

The fourth proportional to 38,470.09, 57,670.30 and 15,090.25 is: 22,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,470.09 : 57,670.30 = 15,090.25 : x
  2. Step 2: Convert to fraction form
    38,470.09/57,670.30 = 15,090.25/x
  3. Step 3: Cross multiply
    38,470.09x = 57,670.30 × 15,090.25
  4. Step 4: Simplify right side
    38,470.09x = 870,259,119.26
  5. Step 5: Solve for x
    x = 870,259,119.26/38,470.09
  6. Step 6: Final answer
    x = 22,621.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.