Home / 28,414.55-39,210.05-16,475.87

Finding the Fourth Proportional to 28,414.55, 39,210.05 and 16,475.87

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Solution

The fourth proportional to 28,414.55, 39,210.05 and 16,475.87 is: 22,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.55 : 39,210.05 = 16,475.87 : x
  2. Step 2: Convert to fraction form
    28,414.55/39,210.05 = 16,475.87/x
  3. Step 3: Cross multiply
    28,414.55x = 39,210.05 × 16,475.87
  4. Step 4: Simplify right side
    28,414.55x = 646,019,604.11
  5. Step 5: Solve for x
    x = 646,019,604.11/28,414.55
  6. Step 6: Final answer
    x = 22,735.52

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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.