Home / 29,225.90-40,331.92-15,797.12

Finding the Fourth Proportional to 29,225.90, 40,331.92 and 15,797.12

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Solution

The fourth proportional to 29,225.90, 40,331.92 and 15,797.12 is: 21,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,225.90 : 40,331.92 = 15,797.12 : x
  2. Step 2: Convert to fraction form
    29,225.90/40,331.92 = 15,797.12/x
  3. Step 3: Cross multiply
    29,225.90x = 40,331.92 × 15,797.12
  4. Step 4: Simplify right side
    29,225.90x = 637,128,180.07
  5. Step 5: Solve for x
    x = 637,128,180.07/29,225.90
  6. Step 6: Final answer
    x = 21,800.12

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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.