Home / 17,621.50-26,423.50-5,612.08

Finding the Fourth Proportional to 17,621.50, 26,423.50 and 5,612.08

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Solution

The fourth proportional to 17,621.50, 26,423.50 and 5,612.08 is: 8,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.50 : 26,423.50 = 5,612.08 : x
  2. Step 2: Convert to fraction form
    17,621.50/26,423.50 = 5,612.08/x
  3. Step 3: Cross multiply
    17,621.50x = 26,423.50 × 5,612.08
  4. Step 4: Simplify right side
    17,621.50x = 148,290,861.94
  5. Step 5: Solve for x
    x = 148,290,861.94/17,621.50
  6. Step 6: Final answer
    x = 8,415.34

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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.