Home / 29,276.78-40,392-16,528.46

Finding the Fourth Proportional to 29,276.78, 40,392 and 16,528.46

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Solution

The fourth proportional to 29,276.78, 40,392 and 16,528.46 is: 22,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,276.78 : 40,392 = 16,528.46 : x
  2. Step 2: Convert to fraction form
    29,276.78/40,392 = 16,528.46/x
  3. Step 3: Cross multiply
    29,276.78x = 40,392 × 16,528.46
  4. Step 4: Simplify right side
    29,276.78x = 667,617,354.36
  5. Step 5: Solve for x
    x = 667,617,354.36/29,276.78
  6. Step 6: Final answer
    x = 22,803.65

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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.