Home / 29,223.90-40,329.16-15,795.12

Finding the Fourth Proportional to 29,223.90, 40,329.16 and 15,795.12

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Solution

The fourth proportional to 29,223.90, 40,329.16 and 15,795.12 is: 21,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,223.90 : 40,329.16 = 15,795.12 : x
  2. Step 2: Convert to fraction form
    29,223.90/40,329.16 = 15,795.12/x
  3. Step 3: Cross multiply
    29,223.90x = 40,329.16 × 15,795.12
  4. Step 4: Simplify right side
    29,223.90x = 637,003,921.70
  5. Step 5: Solve for x
    x = 637,003,921.70/29,223.90
  6. Step 6: Final answer
    x = 21,797.36

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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.