Home / 27,478.58-37,920.38-14,903.33

Finding the Fourth Proportional to 27,478.58, 37,920.38 and 14,903.33

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Solution

The fourth proportional to 27,478.58, 37,920.38 and 14,903.33 is: 20,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.58 : 37,920.38 = 14,903.33 : x
  2. Step 2: Convert to fraction form
    27,478.58/37,920.38 = 14,903.33/x
  3. Step 3: Cross multiply
    27,478.58x = 37,920.38 × 14,903.33
  4. Step 4: Simplify right side
    27,478.58x = 565,139,672.75
  5. Step 5: Solve for x
    x = 565,139,672.75/27,478.58
  6. Step 6: Final answer
    x = 20,566.56

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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.