Home / 27,219.88-37,554.06-15,281.56

Finding the Fourth Proportional to 27,219.88, 37,554.06 and 15,281.56

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Solution

The fourth proportional to 27,219.88, 37,554.06 and 15,281.56 is: 21,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,219.88 : 37,554.06 = 15,281.56 : x
  2. Step 2: Convert to fraction form
    27,219.88/37,554.06 = 15,281.56/x
  3. Step 3: Cross multiply
    27,219.88x = 37,554.06 × 15,281.56
  4. Step 4: Simplify right side
    27,219.88x = 573,884,621.13
  5. Step 5: Solve for x
    x = 573,884,621.13/27,219.88
  6. Step 6: Final answer
    x = 21,083.29

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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.