Home / 26,394.80-39,515.58-20,533.64

Finding the Fourth Proportional to 26,394.80, 39,515.58 and 20,533.64

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Solution

The fourth proportional to 26,394.80, 39,515.58 and 20,533.64 is: 30,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.80 : 39,515.58 = 20,533.64 : x
  2. Step 2: Convert to fraction form
    26,394.80/39,515.58 = 20,533.64/x
  3. Step 3: Cross multiply
    26,394.80x = 39,515.58 × 20,533.64
  4. Step 4: Simplify right side
    26,394.80x = 811,398,496.53
  5. Step 5: Solve for x
    x = 811,398,496.53/26,394.80
  6. Step 6: Final answer
    x = 30,740.85

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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.