Home / 23,276.45-32,121.29-12,666.09

Finding the Fourth Proportional to 23,276.45, 32,121.29 and 12,666.09

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Solution

The fourth proportional to 23,276.45, 32,121.29 and 12,666.09 is: 17,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.45 : 32,121.29 = 12,666.09 : x
  2. Step 2: Convert to fraction form
    23,276.45/32,121.29 = 12,666.09/x
  3. Step 3: Cross multiply
    23,276.45x = 32,121.29 × 12,666.09
  4. Step 4: Simplify right side
    23,276.45x = 406,851,121.49
  5. Step 5: Solve for x
    x = 406,851,121.49/23,276.45
  6. Step 6: Final answer
    x = 17,479.09

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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.