Home / 20,403.27-30,535.02-14,170.32

Finding the Fourth Proportional to 20,403.27, 30,535.02 and 14,170.32

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Solution

The fourth proportional to 20,403.27, 30,535.02 and 14,170.32 is: 21,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403.27 : 30,535.02 = 14,170.32 : x
  2. Step 2: Convert to fraction form
    20,403.27/30,535.02 = 14,170.32/x
  3. Step 3: Cross multiply
    20,403.27x = 30,535.02 × 14,170.32
  4. Step 4: Simplify right side
    20,403.27x = 432,691,004.61
  5. Step 5: Solve for x
    x = 432,691,004.61/20,403.27
  6. Step 6: Final answer
    x = 21,206.94

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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.