Home / 29,088.28-43,623.78-10,621.72

Finding the Fourth Proportional to 29,088.28, 43,623.78 and 10,621.72

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Solution

The fourth proportional to 29,088.28, 43,623.78 and 10,621.72 is: 15,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.28 : 43,623.78 = 10,621.72 : x
  2. Step 2: Convert to fraction form
    29,088.28/43,623.78 = 10,621.72/x
  3. Step 3: Cross multiply
    29,088.28x = 43,623.78 × 10,621.72
  4. Step 4: Simplify right side
    29,088.28x = 463,359,576.50
  5. Step 5: Solve for x
    x = 463,359,576.50/29,088.28
  6. Step 6: Final answer
    x = 15,929.43

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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.