Home / 21,828.08-30,053.68-19,832.67

Finding the Fourth Proportional to 21,828.08, 30,053.68 and 19,832.67

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Solution

The fourth proportional to 21,828.08, 30,053.68 and 19,832.67 is: 27,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,828.08 : 30,053.68 = 19,832.67 : x
  2. Step 2: Convert to fraction form
    21,828.08/30,053.68 = 19,832.67/x
  3. Step 3: Cross multiply
    21,828.08x = 30,053.68 × 19,832.67
  4. Step 4: Simplify right side
    21,828.08x = 596,044,864.23
  5. Step 5: Solve for x
    x = 596,044,864.23/21,828.08
  6. Step 6: Final answer
    x = 27,306.33

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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.