Home / 17,312.08-25,971.36-5,628.64

Finding the Fourth Proportional to 17,312.08, 25,971.36 and 5,628.64

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Solution

The fourth proportional to 17,312.08, 25,971.36 and 5,628.64 is: 8,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.08 : 25,971.36 = 5,628.64 : x
  2. Step 2: Convert to fraction form
    17,312.08/25,971.36 = 5,628.64/x
  3. Step 3: Cross multiply
    17,312.08x = 25,971.36 × 5,628.64
  4. Step 4: Simplify right side
    17,312.08x = 146,183,435.75
  5. Step 5: Solve for x
    x = 146,183,435.75/17,312.08
  6. Step 6: Final answer
    x = 8,444.01

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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.