Home / 28,785.91-43,180.42-9,066.01

Finding the Fourth Proportional to 28,785.91, 43,180.42 and 9,066.01

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Solution

The fourth proportional to 28,785.91, 43,180.42 and 9,066.01 is: 13,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.91 : 43,180.42 = 9,066.01 : x
  2. Step 2: Convert to fraction form
    28,785.91/43,180.42 = 9,066.01/x
  3. Step 3: Cross multiply
    28,785.91x = 43,180.42 × 9,066.01
  4. Step 4: Simplify right side
    28,785.91x = 391,474,119.52
  5. Step 5: Solve for x
    x = 391,474,119.52/28,785.91
  6. Step 6: Final answer
    x = 13,599.50

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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.