Home / 28,817.60-39,607.29-25,439.90

Finding the Fourth Proportional to 28,817.60, 39,607.29 and 25,439.90

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Solution

The fourth proportional to 28,817.60, 39,607.29 and 25,439.90 is: 34,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.60 : 39,607.29 = 25,439.90 : x
  2. Step 2: Convert to fraction form
    28,817.60/39,607.29 = 25,439.90/x
  3. Step 3: Cross multiply
    28,817.60x = 39,607.29 × 25,439.90
  4. Step 4: Simplify right side
    28,817.60x = 1,007,605,298.83
  5. Step 5: Solve for x
    x = 1,007,605,298.83/28,817.60
  6. Step 6: Final answer
    x = 34,964.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.