Home / 28,747.91-43,070.56-15,591.89

Finding the Fourth Proportional to 28,747.91, 43,070.56 and 15,591.89

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Solution

The fourth proportional to 28,747.91, 43,070.56 and 15,591.89 is: 23,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.91 : 43,070.56 = 15,591.89 : x
  2. Step 2: Convert to fraction form
    28,747.91/43,070.56 = 15,591.89/x
  3. Step 3: Cross multiply
    28,747.91x = 43,070.56 × 15,591.89
  4. Step 4: Simplify right side
    28,747.91x = 671,551,179.43
  5. Step 5: Solve for x
    x = 671,551,179.43/28,747.91
  6. Step 6: Final answer
    x = 23,360.00

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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.