Home / 23,788.80-32,821.08-13,715.88

Finding the Fourth Proportional to 23,788.80, 32,821.08 and 13,715.88

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Solution

The fourth proportional to 23,788.80, 32,821.08 and 13,715.88 is: 18,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.80 : 32,821.08 = 13,715.88 : x
  2. Step 2: Convert to fraction form
    23,788.80/32,821.08 = 13,715.88/x
  3. Step 3: Cross multiply
    23,788.80x = 32,821.08 × 13,715.88
  4. Step 4: Simplify right side
    23,788.80x = 450,169,994.75
  5. Step 5: Solve for x
    x = 450,169,994.75/23,788.80
  6. Step 6: Final answer
    x = 18,923.61

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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.