Home / 23,279.45-32,125.43-12,669.09

Finding the Fourth Proportional to 23,279.45, 32,125.43 and 12,669.09

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Solution

The fourth proportional to 23,279.45, 32,125.43 and 12,669.09 is: 17,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.45 : 32,125.43 = 12,669.09 : x
  2. Step 2: Convert to fraction form
    23,279.45/32,125.43 = 12,669.09/x
  3. Step 3: Cross multiply
    23,279.45x = 32,125.43 × 12,669.09
  4. Step 4: Simplify right side
    23,279.45x = 406,999,900.61
  5. Step 5: Solve for x
    x = 406,999,900.61/23,279.45
  6. Step 6: Final answer
    x = 17,483.23

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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.