Home / 27,839.56-38,418.48-15,264.28

Finding the Fourth Proportional to 27,839.56, 38,418.48 and 15,264.28

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Solution

The fourth proportional to 27,839.56, 38,418.48 and 15,264.28 is: 21,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.56 : 38,418.48 = 15,264.28 : x
  2. Step 2: Convert to fraction form
    27,839.56/38,418.48 = 15,264.28/x
  3. Step 3: Cross multiply
    27,839.56x = 38,418.48 × 15,264.28
  4. Step 4: Simplify right side
    27,839.56x = 586,430,435.89
  5. Step 5: Solve for x
    x = 586,430,435.89/27,839.56
  6. Step 6: Final answer
    x = 21,064.64

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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.