Home / 23,788.15-32,829.65-13,178.77

Finding the Fourth Proportional to 23,788.15, 32,829.65 and 13,178.77

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Solution

The fourth proportional to 23,788.15, 32,829.65 and 13,178.77 is: 18,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.15 : 32,829.65 = 13,178.77 : x
  2. Step 2: Convert to fraction form
    23,788.15/32,829.65 = 13,178.77/x
  3. Step 3: Cross multiply
    23,788.15x = 32,829.65 × 13,178.77
  4. Step 4: Simplify right side
    23,788.15x = 432,654,406.53
  5. Step 5: Solve for x
    x = 432,654,406.53/23,788.15
  6. Step 6: Final answer
    x = 18,187.81

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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.