Home / 85,497.62-128,260.21-26,333.27

Finding the Fourth Proportional to 85,497.62, 128,260.21 and 26,333.27

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Solution

The fourth proportional to 85,497.62, 128,260.21 and 26,333.27 is: 39,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,497.62 : 128,260.21 = 26,333.27 : x
  2. Step 2: Convert to fraction form
    85,497.62/128,260.21 = 26,333.27/x
  3. Step 3: Cross multiply
    85,497.62x = 128,260.21 × 26,333.27
  4. Step 4: Simplify right side
    85,497.62x = 3,377,510,740.19
  5. Step 5: Solve for x
    x = 3,377,510,740.19/85,497.62
  6. Step 6: Final answer
    x = 39,504.15

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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.