Home / 19,842.00-27,381.05-10,889.32

Finding the Fourth Proportional to 19,842.00, 27,381.05 and 10,889.32

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Solution

The fourth proportional to 19,842.00, 27,381.05 and 10,889.32 is: 15,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.00 : 27,381.05 = 10,889.32 : x
  2. Step 2: Convert to fraction form
    19,842.00/27,381.05 = 10,889.32/x
  3. Step 3: Cross multiply
    19,842.00x = 27,381.05 × 10,889.32
  4. Step 4: Simplify right side
    19,842.00x = 298,161,045.91
  5. Step 5: Solve for x
    x = 298,161,045.91/19,842.00
  6. Step 6: Final answer
    x = 15,026.77

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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.