Home / 27,804.74-38,330.42-18,356.90

Finding the Fourth Proportional to 27,804.74, 38,330.42 and 18,356.90

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Solution

The fourth proportional to 27,804.74, 38,330.42 and 18,356.90 is: 25,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.74 : 38,330.42 = 18,356.90 : x
  2. Step 2: Convert to fraction form
    27,804.74/38,330.42 = 18,356.90/x
  3. Step 3: Cross multiply
    27,804.74x = 38,330.42 × 18,356.90
  4. Step 4: Simplify right side
    27,804.74x = 703,627,403.46
  5. Step 5: Solve for x
    x = 703,627,403.46/27,804.74
  6. Step 6: Final answer
    x = 25,306.03

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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.