Home / 27,662.08-38,162.84-15,559.76

Finding the Fourth Proportional to 27,662.08, 38,162.84 and 15,559.76

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Solution

The fourth proportional to 27,662.08, 38,162.84 and 15,559.76 is: 21,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.08 : 38,162.84 = 15,559.76 : x
  2. Step 2: Convert to fraction form
    27,662.08/38,162.84 = 15,559.76/x
  3. Step 3: Cross multiply
    27,662.08x = 38,162.84 × 15,559.76
  4. Step 4: Simplify right side
    27,662.08x = 593,804,631.32
  5. Step 5: Solve for x
    x = 593,804,631.32/27,662.08
  6. Step 6: Final answer
    x = 21,466.38

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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.