Home / 16,528.72-24,763.92-8,720.32

Finding the Fourth Proportional to 16,528.72, 24,763.92 and 8,720.32

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Solution

The fourth proportional to 16,528.72, 24,763.92 and 8,720.32 is: 13,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528.72 : 24,763.92 = 8,720.32 : x
  2. Step 2: Convert to fraction form
    16,528.72/24,763.92 = 8,720.32/x
  3. Step 3: Cross multiply
    16,528.72x = 24,763.92 × 8,720.32
  4. Step 4: Simplify right side
    16,528.72x = 215,949,306.85
  5. Step 5: Solve for x
    x = 215,949,306.85/16,528.72
  6. Step 6: Final answer
    x = 13,065.10

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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.