Home / 28,877.10-43,315.65-17,747.70

Finding the Fourth Proportional to 28,877.10, 43,315.65 and 17,747.70

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Solution

The fourth proportional to 28,877.10, 43,315.65 and 17,747.70 is: 26,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.10 : 43,315.65 = 17,747.70 : x
  2. Step 2: Convert to fraction form
    28,877.10/43,315.65 = 17,747.70/x
  3. Step 3: Cross multiply
    28,877.10x = 43,315.65 × 17,747.70
  4. Step 4: Simplify right side
    28,877.10x = 768,753,161.51
  5. Step 5: Solve for x
    x = 768,753,161.51/28,877.10
  6. Step 6: Final answer
    x = 26,621.55

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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.