Home / 22,727.80-34,097.08-7,145.44

Finding the Fourth Proportional to 22,727.80, 34,097.08 and 7,145.44

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Solution

The fourth proportional to 22,727.80, 34,097.08 and 7,145.44 is: 10,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.80 : 34,097.08 = 7,145.44 : x
  2. Step 2: Convert to fraction form
    22,727.80/34,097.08 = 7,145.44/x
  3. Step 3: Cross multiply
    22,727.80x = 34,097.08 × 7,145.44
  4. Step 4: Simplify right side
    22,727.80x = 243,638,639.32
  5. Step 5: Solve for x
    x = 243,638,639.32/22,727.80
  6. Step 6: Final answer
    x = 10,719.85

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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.