Home / 23,830.30-32,887.11-13,758.76

Finding the Fourth Proportional to 23,830.30, 32,887.11 and 13,758.76

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Solution

The fourth proportional to 23,830.30, 32,887.11 and 13,758.76 is: 18,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,830.30 : 32,887.11 = 13,758.76 : x
  2. Step 2: Convert to fraction form
    23,830.30/32,887.11 = 13,758.76/x
  3. Step 3: Cross multiply
    23,830.30x = 32,887.11 × 13,758.76
  4. Step 4: Simplify right side
    23,830.30x = 452,485,853.58
  5. Step 5: Solve for x
    x = 452,485,853.58/23,830.30
  6. Step 6: Final answer
    x = 18,987.84

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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.