Home / 27,077.04-40,609.98-10,431.36

Finding the Fourth Proportional to 27,077.04, 40,609.98 and 10,431.36

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Solution

The fourth proportional to 27,077.04, 40,609.98 and 10,431.36 is: 15,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.04 : 40,609.98 = 10,431.36 : x
  2. Step 2: Convert to fraction form
    27,077.04/40,609.98 = 10,431.36/x
  3. Step 3: Cross multiply
    27,077.04x = 40,609.98 × 10,431.36
  4. Step 4: Simplify right side
    27,077.04x = 423,617,320.97
  5. Step 5: Solve for x
    x = 423,617,320.97/27,077.04
  6. Step 6: Final answer
    x = 15,644.89

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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.