Home / 28,766.79-43,141.62-12,962.70

Finding the Fourth Proportional to 28,766.79, 43,141.62 and 12,962.70

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Solution

The fourth proportional to 28,766.79, 43,141.62 and 12,962.70 is: 19,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766.79 : 43,141.62 = 12,962.70 : x
  2. Step 2: Convert to fraction form
    28,766.79/43,141.62 = 12,962.70/x
  3. Step 3: Cross multiply
    28,766.79x = 43,141.62 × 12,962.70
  4. Step 4: Simplify right side
    28,766.79x = 559,231,877.57
  5. Step 5: Solve for x
    x = 559,231,877.57/28,766.79
  6. Step 6: Final answer
    x = 19,440.19

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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.