Home / 26,325.65-36,338.04-20,957.96

Finding the Fourth Proportional to 26,325.65, 36,338.04 and 20,957.96

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Solution

The fourth proportional to 26,325.65, 36,338.04 and 20,957.96 is: 28,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,325.65 : 36,338.04 = 20,957.96 : x
  2. Step 2: Convert to fraction form
    26,325.65/36,338.04 = 20,957.96/x
  3. Step 3: Cross multiply
    26,325.65x = 36,338.04 × 20,957.96
  4. Step 4: Simplify right side
    26,325.65x = 761,571,007.11
  5. Step 5: Solve for x
    x = 761,571,007.11/26,325.65
  6. Step 6: Final answer
    x = 28,928.86

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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.