Home / 23,389.52-32,279.73-12,780.73

Finding the Fourth Proportional to 23,389.52, 32,279.73 and 12,780.73

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Solution

The fourth proportional to 23,389.52, 32,279.73 and 12,780.73 is: 17,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,389.52 : 32,279.73 = 12,780.73 : x
  2. Step 2: Convert to fraction form
    23,389.52/32,279.73 = 12,780.73/x
  3. Step 3: Cross multiply
    23,389.52x = 32,279.73 × 12,780.73
  4. Step 4: Simplify right side
    23,389.52x = 412,558,352.20
  5. Step 5: Solve for x
    x = 412,558,352.20/23,389.52
  6. Step 6: Final answer
    x = 17,638.60

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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.