Home / 27,478.62-37,920.55-14,903.42

Finding the Fourth Proportional to 27,478.62, 37,920.55 and 14,903.42

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Solution

The fourth proportional to 27,478.62, 37,920.55 and 14,903.42 is: 20,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.62 : 37,920.55 = 14,903.42 : x
  2. Step 2: Convert to fraction form
    27,478.62/37,920.55 = 14,903.42/x
  3. Step 3: Cross multiply
    27,478.62x = 37,920.55 × 14,903.42
  4. Step 4: Simplify right side
    27,478.62x = 565,145,883.28
  5. Step 5: Solve for x
    x = 565,145,883.28/27,478.62
  6. Step 6: Final answer
    x = 20,566.75

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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.