Home / 28,932.56-39,927.60-16,358

Finding the Fourth Proportional to 28,932.56, 39,927.60 and 16,358

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Solution

The fourth proportional to 28,932.56, 39,927.60 and 16,358 is: 22,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.56 : 39,927.60 = 16,358 : x
  2. Step 2: Convert to fraction form
    28,932.56/39,927.60 = 16,358/x
  3. Step 3: Cross multiply
    28,932.56x = 39,927.60 × 16,358
  4. Step 4: Simplify right side
    28,932.56x = 653,135,680.80
  5. Step 5: Solve for x
    x = 653,135,680.80/28,932.56
  6. Step 6: Final answer
    x = 22,574.42

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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.