Home / 21,455.08-32,153.46-15,929.26

Finding the Fourth Proportional to 21,455.08, 32,153.46 and 15,929.26

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Solution

The fourth proportional to 21,455.08, 32,153.46 and 15,929.26 is: 23,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.08 : 32,153.46 = 15,929.26 : x
  2. Step 2: Convert to fraction form
    21,455.08/32,153.46 = 15,929.26/x
  3. Step 3: Cross multiply
    21,455.08x = 32,153.46 × 15,929.26
  4. Step 4: Simplify right side
    21,455.08x = 512,180,684.12
  5. Step 5: Solve for x
    x = 512,180,684.12/21,455.08
  6. Step 6: Final answer
    x = 23,872.24

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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.