Home / 26,366.54-39,554.67-21,479

Finding the Fourth Proportional to 26,366.54, 39,554.67 and 21,479

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Solution

The fourth proportional to 26,366.54, 39,554.67 and 21,479 is: 32,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,366.54 : 39,554.67 = 21,479 : x
  2. Step 2: Convert to fraction form
    26,366.54/39,554.67 = 21,479/x
  3. Step 3: Cross multiply
    26,366.54x = 39,554.67 × 21,479
  4. Step 4: Simplify right side
    26,366.54x = 849,594,756.93
  5. Step 5: Solve for x
    x = 849,594,756.93/26,366.54
  6. Step 6: Final answer
    x = 32,222.46

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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.