Home / 28,627.62-42,927.78-10,609.98

Finding the Fourth Proportional to 28,627.62, 42,927.78 and 10,609.98

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Solution

The fourth proportional to 28,627.62, 42,927.78 and 10,609.98 is: 15,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627.62 : 42,927.78 = 10,609.98 : x
  2. Step 2: Convert to fraction form
    28,627.62/42,927.78 = 10,609.98/x
  3. Step 3: Cross multiply
    28,627.62x = 42,927.78 × 10,609.98
  4. Step 4: Simplify right side
    28,627.62x = 455,462,887.24
  5. Step 5: Solve for x
    x = 455,462,887.24/28,627.62
  6. Step 6: Final answer
    x = 15,909.91

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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.