Home / 27,219.75-37,562.70-15,283.09

Finding the Fourth Proportional to 27,219.75, 37,562.70 and 15,283.09

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Solution

The fourth proportional to 27,219.75, 37,562.70 and 15,283.09 is: 21,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.75 : 37,562.70 = 15,283.09 : x
  2. Step 2: Convert to fraction form
    27,219.75/37,562.70 = 15,283.09/x
  3. Step 3: Cross multiply
    27,219.75x = 37,562.70 × 15,283.09
  4. Step 4: Simplify right side
    27,219.75x = 574,074,124.74
  5. Step 5: Solve for x
    x = 574,074,124.74/27,219.75
  6. Step 6: Final answer
    x = 21,090.35

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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.