Home / 23,890.63-32,970.19-13,280.44

Finding the Fourth Proportional to 23,890.63, 32,970.19 and 13,280.44

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Solution

The fourth proportional to 23,890.63, 32,970.19 and 13,280.44 is: 18,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890.63 : 32,970.19 = 13,280.44 : x
  2. Step 2: Convert to fraction form
    23,890.63/32,970.19 = 13,280.44/x
  3. Step 3: Cross multiply
    23,890.63x = 32,970.19 × 13,280.44
  4. Step 4: Simplify right side
    23,890.63x = 437,858,514.46
  5. Step 5: Solve for x
    x = 437,858,514.46/23,890.63
  6. Step 6: Final answer
    x = 18,327.63

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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.