Home / 16,005.20-24,007.80-15,357.20

Finding the Fourth Proportional to 16,005.20, 24,007.80 and 15,357.20

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Solution

The fourth proportional to 16,005.20, 24,007.80 and 15,357.20 is: 23,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.20 : 24,007.80 = 15,357.20 : x
  2. Step 2: Convert to fraction form
    16,005.20/24,007.80 = 15,357.20/x
  3. Step 3: Cross multiply
    16,005.20x = 24,007.80 × 15,357.20
  4. Step 4: Simplify right side
    16,005.20x = 368,692,586.16
  5. Step 5: Solve for x
    x = 368,692,586.16/16,005.20
  6. Step 6: Final answer
    x = 23,035.80

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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.