Home / 16,388.20-24,582.30-15,581.80

Finding the Fourth Proportional to 16,388.20, 24,582.30 and 15,581.80

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Solution

The fourth proportional to 16,388.20, 24,582.30 and 15,581.80 is: 23,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.20 : 24,582.30 = 15,581.80 : x
  2. Step 2: Convert to fraction form
    16,388.20/24,582.30 = 15,581.80/x
  3. Step 3: Cross multiply
    16,388.20x = 24,582.30 × 15,581.80
  4. Step 4: Simplify right side
    16,388.20x = 383,036,482.14
  5. Step 5: Solve for x
    x = 383,036,482.14/16,388.20
  6. Step 6: Final answer
    x = 23,372.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.