Home / 28,776.62-43,164.87-9,056.90

Finding the Fourth Proportional to 28,776.62, 43,164.87 and 9,056.90

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Solution

The fourth proportional to 28,776.62, 43,164.87 and 9,056.90 is: 13,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,776.62 : 43,164.87 = 9,056.90 : x
  2. Step 2: Convert to fraction form
    28,776.62/43,164.87 = 9,056.90/x
  3. Step 3: Cross multiply
    28,776.62x = 43,164.87 × 9,056.90
  4. Step 4: Simplify right side
    28,776.62x = 390,939,911.10
  5. Step 5: Solve for x
    x = 390,939,911.10/28,776.62
  6. Step 6: Final answer
    x = 13,585.33

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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.