Home / 27,323.04-40,984.80-7,603.20

Finding the Fourth Proportional to 27,323.04, 40,984.80 and 7,603.20

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Solution

The fourth proportional to 27,323.04, 40,984.80 and 7,603.20 is: 11,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.04 : 40,984.80 = 7,603.20 : x
  2. Step 2: Convert to fraction form
    27,323.04/40,984.80 = 7,603.20/x
  3. Step 3: Cross multiply
    27,323.04x = 40,984.80 × 7,603.20
  4. Step 4: Simplify right side
    27,323.04x = 311,615,631.36
  5. Step 5: Solve for x
    x = 311,615,631.36/27,323.04
  6. Step 6: Final answer
    x = 11,404.87

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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.