Home / 26,623.99-39,927.79-9,089.72

Finding the Fourth Proportional to 26,623.99, 39,927.79 and 9,089.72

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Solution

The fourth proportional to 26,623.99, 39,927.79 and 9,089.72 is: 13,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.99 : 39,927.79 = 9,089.72 : x
  2. Step 2: Convert to fraction form
    26,623.99/39,927.79 = 9,089.72/x
  3. Step 3: Cross multiply
    26,623.99x = 39,927.79 × 9,089.72
  4. Step 4: Simplify right side
    26,623.99x = 362,932,341.64
  5. Step 5: Solve for x
    x = 362,932,341.64/26,623.99
  6. Step 6: Final answer
    x = 13,631.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.