Home / 25,262.93-34,866.09-21,006.67

Finding the Fourth Proportional to 25,262.93, 34,866.09 and 21,006.67

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Solution

The fourth proportional to 25,262.93, 34,866.09 and 21,006.67 is: 28,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.93 : 34,866.09 = 21,006.67 : x
  2. Step 2: Convert to fraction form
    25,262.93/34,866.09 = 21,006.67/x
  3. Step 3: Cross multiply
    25,262.93x = 34,866.09 × 21,006.67
  4. Step 4: Simplify right side
    25,262.93x = 732,420,446.82
  5. Step 5: Solve for x
    x = 732,420,446.82/25,262.93
  6. Step 6: Final answer
    x = 28,991.90

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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.