Home / 27,477.72-37,919.58-14,902.68

Finding the Fourth Proportional to 27,477.72, 37,919.58 and 14,902.68

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Solution

The fourth proportional to 27,477.72, 37,919.58 and 14,902.68 is: 20,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.72 : 37,919.58 = 14,902.68 : x
  2. Step 2: Convert to fraction form
    27,477.72/37,919.58 = 14,902.68/x
  3. Step 3: Cross multiply
    27,477.72x = 37,919.58 × 14,902.68
  4. Step 4: Simplify right side
    27,477.72x = 565,103,366.47
  5. Step 5: Solve for x
    x = 565,103,366.47/27,477.72
  6. Step 6: Final answer
    x = 20,565.88

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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.