Home / 28,962.56-40,001.14-19,514.72

Finding the Fourth Proportional to 28,962.56, 40,001.14 and 19,514.72

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Solution

The fourth proportional to 28,962.56, 40,001.14 and 19,514.72 is: 26,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.56 : 40,001.14 = 19,514.72 : x
  2. Step 2: Convert to fraction form
    28,962.56/40,001.14 = 19,514.72/x
  3. Step 3: Cross multiply
    28,962.56x = 40,001.14 × 19,514.72
  4. Step 4: Simplify right side
    28,962.56x = 780,611,171.18
  5. Step 5: Solve for x
    x = 780,611,171.18/28,962.56
  6. Step 6: Final answer
    x = 26,952.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.