Home / 27,323.72-37,703.94-20,157.53

Finding the Fourth Proportional to 27,323.72, 37,703.94 and 20,157.53

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Solution

The fourth proportional to 27,323.72, 37,703.94 and 20,157.53 is: 27,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.72 : 37,703.94 = 20,157.53 : x
  2. Step 2: Convert to fraction form
    27,323.72/37,703.94 = 20,157.53/x
  3. Step 3: Cross multiply
    27,323.72x = 37,703.94 × 20,157.53
  4. Step 4: Simplify right side
    27,323.72x = 760,018,301.67
  5. Step 5: Solve for x
    x = 760,018,301.67/27,323.72
  6. Step 6: Final answer
    x = 27,815.33

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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.