Home / 17,631.30-26,440.68-5,148.10

Finding the Fourth Proportional to 17,631.30, 26,440.68 and 5,148.10

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Solution

The fourth proportional to 17,631.30, 26,440.68 and 5,148.10 is: 7,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.30 : 26,440.68 = 5,148.10 : x
  2. Step 2: Convert to fraction form
    17,631.30/26,440.68 = 5,148.10/x
  3. Step 3: Cross multiply
    17,631.30x = 26,440.68 × 5,148.10
  4. Step 4: Simplify right side
    17,631.30x = 136,119,264.71
  5. Step 5: Solve for x
    x = 136,119,264.71/17,631.30
  6. Step 6: Final answer
    x = 7,720.32

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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.