Home / 21,225.03-31,795.52-14,545.12

Finding the Fourth Proportional to 21,225.03, 31,795.52 and 14,545.12

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Solution

The fourth proportional to 21,225.03, 31,795.52 and 14,545.12 is: 21,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.03 : 31,795.52 = 14,545.12 : x
  2. Step 2: Convert to fraction form
    21,225.03/31,795.52 = 14,545.12/x
  3. Step 3: Cross multiply
    21,225.03x = 31,795.52 × 14,545.12
  4. Step 4: Simplify right side
    21,225.03x = 462,469,653.86
  5. Step 5: Solve for x
    x = 462,469,653.86/21,225.03
  6. Step 6: Final answer
    x = 21,788.88

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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.