Home / 32,768.94-45,206.90-20,825.87

Finding the Fourth Proportional to 32,768.94, 45,206.90 and 20,825.87

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Solution

The fourth proportional to 32,768.94, 45,206.90 and 20,825.87 is: 28,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768.94 : 45,206.90 = 20,825.87 : x
  2. Step 2: Convert to fraction form
    32,768.94/45,206.90 = 20,825.87/x
  3. Step 3: Cross multiply
    32,768.94x = 45,206.90 × 20,825.87
  4. Step 4: Simplify right side
    32,768.94x = 941,472,829.01
  5. Step 5: Solve for x
    x = 941,472,829.01/32,768.94
  6. Step 6: Final answer
    x = 28,730.65

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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.