Home / 27,221.35-37,559.32-15,283.89

Finding the Fourth Proportional to 27,221.35, 37,559.32 and 15,283.89

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Solution

The fourth proportional to 27,221.35, 37,559.32 and 15,283.89 is: 21,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.35 : 37,559.32 = 15,283.89 : x
  2. Step 2: Convert to fraction form
    27,221.35/37,559.32 = 15,283.89/x
  3. Step 3: Cross multiply
    27,221.35x = 37,559.32 × 15,283.89
  4. Step 4: Simplify right side
    27,221.35x = 574,052,515.35
  5. Step 5: Solve for x
    x = 574,052,515.35/27,221.35
  6. Step 6: Final answer
    x = 21,088.32

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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.