Home / 27,173.33-37,455.85-21,421.40

Finding the Fourth Proportional to 27,173.33, 37,455.85 and 21,421.40

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Solution

The fourth proportional to 27,173.33, 37,455.85 and 21,421.40 is: 29,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.33 : 37,455.85 = 21,421.40 : x
  2. Step 2: Convert to fraction form
    27,173.33/37,455.85 = 21,421.40/x
  3. Step 3: Cross multiply
    27,173.33x = 37,455.85 × 21,421.40
  4. Step 4: Simplify right side
    27,173.33x = 802,356,785.28
  5. Step 5: Solve for x
    x = 802,356,785.28/27,173.33
  6. Step 6: Final answer
    x = 29,527.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.