Home / 27,575.36-38,054.72-15,638.24

Finding the Fourth Proportional to 27,575.36, 38,054.72 and 15,638.24

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Solution

The fourth proportional to 27,575.36, 38,054.72 and 15,638.24 is: 21,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.36 : 38,054.72 = 15,638.24 : x
  2. Step 2: Convert to fraction form
    27,575.36/38,054.72 = 15,638.24/x
  3. Step 3: Cross multiply
    27,575.36x = 38,054.72 × 15,638.24
  4. Step 4: Simplify right side
    27,575.36x = 595,108,844.49
  5. Step 5: Solve for x
    x = 595,108,844.49/27,575.36
  6. Step 6: Final answer
    x = 21,581.18

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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.