Home / 35,268.64-48,663.12-20,356

Finding the Fourth Proportional to 35,268.64, 48,663.12 and 20,356

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Solution

The fourth proportional to 35,268.64, 48,663.12 and 20,356 is: 28,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,268.64 : 48,663.12 = 20,356 : x
  2. Step 2: Convert to fraction form
    35,268.64/48,663.12 = 20,356/x
  3. Step 3: Cross multiply
    35,268.64x = 48,663.12 × 20,356
  4. Step 4: Simplify right side
    35,268.64x = 990,586,470.72
  5. Step 5: Solve for x
    x = 990,586,470.72/35,268.64
  6. Step 6: Final answer
    x = 28,086.89

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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.