Home / 23,330.72-32,196.30-12,720.26

Finding the Fourth Proportional to 23,330.72, 32,196.30 and 12,720.26

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Solution

The fourth proportional to 23,330.72, 32,196.30 and 12,720.26 is: 17,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.72 : 32,196.30 = 12,720.26 : x
  2. Step 2: Convert to fraction form
    23,330.72/32,196.30 = 12,720.26/x
  3. Step 3: Cross multiply
    23,330.72x = 32,196.30 × 12,720.26
  4. Step 4: Simplify right side
    23,330.72x = 409,545,307.04
  5. Step 5: Solve for x
    x = 409,545,307.04/23,330.72
  6. Step 6: Final answer
    x = 17,553.91

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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.